As an Amazon Associate I earn from qualifying purchases. Read full disclosure.

Best 7 1 Receivers

Best 7 1 Receivers

In the realm of home theater, achieving immersive audio is paramount. A 7.1 receiver acts as the central nervous system, directing sound with precision and power.

But with a plethora of options available, navigating the market to find the ideal unit can be daunting. Finding the best 7 1 receivers necessitates careful consideration of your specific needs and budget.

Quality sound reproduction, reliable performance, and future-proof features are crucial. Settling for less can significantly diminish your listening experience, leaving you with subpar audio and missed sonic details.

This review focuses on helping you make an informed decision, highlighting the best 7 1 receivers that offer exceptional value and performance. We’ve thoroughly researched and compared various models to guide you towards the perfect centerpiece for your home entertainment system.

Top 10 Best 7 1 Receivers Compared

YAMAHA RX-V6A 7.2-Channel AV Receiver with MusicCa

🏆 BEST OVERALL YAMAHA RX-V6A 7.2-Channel AV Receiver with MusicCa

  • Multiple HDMI 2.1 ports (including three 8K compatible) for future-proof connectivity.
  • Extensive streaming service support (Spotify, Pandora, etc.).
  • Voice control integration with popular assistants (Alexa, Google Assistant, Siri).
  • Dolby Atmos and DTS:X support for immersive audio.
★★★★

4.6/5
Check Price on Amazon

Ayleid Trailer Hitch Tri-Ball Mount with Hook&Pin&Rotatable Tow Shackle

🥈 2ND RUNNER UP Ayleid Trailer Hitch Tri-Ball Mount with Hook&Pin&Rotatable Tow Shackle

  • Multiple hitch ball sizes (1-7/8″, 2″, 2-5/16″) provide versatility.
  • Includes a tow hook with a 3/4″ D-ring shackle.
  • Fits standard 2-inch receiver.
  • Offers a range of weight ratings (5000-12000 lbs).
★★★★

4.7/5
Check Price on Amazon

Pyle 7.1-Channel Hi-Fi Bluetooth Stereo Amplifier - 2000 Watt AV Home Theater Speaker Subwoofer Surround Sound Receiver w/Radio

� BEST VALUE Pyle 7.1-Channel Hi-Fi Bluetooth Stereo Amplifier – 2000 Watt AV Home Theater Speaker Subwoofer Surround Sound Receiver w/Radio

  • Bluetooth connectivity for wireless streaming.
  • 4K UHD and 3D video pass-through support.
  • Multiple inputs including HDMI, USB, RCA, and optical/coaxial.
  • Microphone inputs with independent controls.
★★★★

4.5/5
Check Price on Amazon

FENIXFIT Wireless DMX512 Transmitter Receiver Rech

FENIXFIT Wireless DMX512 Transmitter Receiver Rech

  • Eliminates the need for long DMX cables.
  • Long transmission distance (up to 1600ft).
  • Automatic frequency hopping minimizes interference.
  • Supports 7 individual wireless networks.
★★★★

4.6/5
Check Price on Amazon

Trailer Hitch Tri Ball Mount with Hook

Trailer Hitch Tri Ball Mount with Hook

  • Versatile with three ball sizes and a hook.
  • Compatible with standard 2″ receivers.
  • Offers varying GTW capacities for different towing needs.
  • Features a safety pin for secure attachment.
★★★★

4.5/5
Check Price on Amazon

Sony STR-DH790 7.2-ch Surround Sound Home Theater AV Receiver: 4K HDR

Sony STR-DH790 7.2-ch Surround Sound Home Theater AV Receiver: 4K HDR

  • Supports Dolby Atmos and DTS:X for immersive audio.
  • 4K HDR passthrough with Dolby Vision and HDR10 support.
  • Multiple HDMI and audio connections for device compatibility.
  • Auto-calibration feature optimizes sound for different room setups.
★★★★

4.5/5
Check Price on Amazon

FENIXFIT Wireless DMX512 Transmitter Receiver No L

FENIXFIT Wireless DMX512 Transmitter Receiver No L

  • Eliminates the need for long DMX cables.
  • Reduces setup and breakdown time.
  • Supports up to 7 independent wireless networks.
  • Long transmission distance (claimed 1600ft).
★★★★

4.6/5
Check Price on Amazon

Pyle 7.1-Channel Hi-Fi Bluetooth Stereo Amplifier - 2000 Watt AV Home Theater Speaker Subwoofer Surround Sound Receiver w/ Radio

Pyle 7.1-Channel Hi-Fi Bluetooth Stereo Amplifier – 2000 Watt AV Home Theater Speaker Subwoofer Surround Sound Receiver w/ Radio

  • 7.1 channel support for immersive audio
  • Bluetooth connectivity for wireless streaming
  • 4K UHD pass-through and multiple input options
  • EQ controls for sound customization
★★★★

4.4/5
Check Price on Amazon

Klipsch Reference Theater Pack 5.1-Channel Speaker

Klipsch Reference Theater Pack 5.1-Channel Speaker

  • Complete home theater system with all necessary components.
  • Wireless subwoofer offers flexible placement options.
  • AV receiver supports 8K video and HEOS multi-room audio.
  • Includes speaker calibration microphone for optimized sound.
★★★★

4.6/5
Check Price on Amazon

Donner Wireless DMX512 Transmitter Receiver DJ 2.4G DMX Wireless Controller 7 Receivers with Built-in Battery & Light Dome & 1 Transmitter for LED Stage Disco Party Bar

Donner Wireless DMX512 Transmitter Receiver DJ 2.4G DMX Wireless Controller 7 Receivers with Built-in Battery & Light Dome & 1 Transmitter for LED Stage Disco Party Bar

  • Eliminates the need for DMX cables.
  • Supports up to 7 independent wireless networks to avoid interference.
  • Rechargeable design simplifies setup and reduces outlet usage.
  • Long communication distance (up to 500 meters line of sight).
★★★★

4.6/5
Check Price on Amazon

Detailed Reviews of the Best 7 1 Receivers

YAMAHA RX-V6A 7.2-Channel AV Receiver with MusicCa – Multiple HDMI 2.1 ports (including three 8K compatible) for future-proof connectivity.

YAMAHA RX-V6A 7.2-Channel AV Receiver with MusicCa

This AV receiver offers a robust set of features, making it a solid choice for home theater enthusiasts. The inclusion of multiple HDMI 2.1 ports with support for 4K120 and 8K60 is a definite plus for future-proofing your setup. The wide range of streaming options, from Spotify Connect to Amazon Music HD, provides ample listening choices.

Voice control compatibility with Alexa, Google Assistant, and Siri adds convenience. Furthermore, the unit supports Dolby Atmos and DTS:X, enhancing the immersive audio experience. YPAO R.S.C.

and multipoint room calibration aim to optimize sound based on your room’s acoustics. Overall, this receiver appears well-equipped to handle modern audio and video demands.

Pros

  • Multiple HDMI 2.1 ports (including three 8K compatible) for future-proof connectivity.
  • Extensive streaming service support (Spotify, Pandora, etc.).
  • Voice control integration with popular assistants (Alexa, Google Assistant, Siri).
  • Dolby Atmos and DTS:X support for immersive audio.
  • YPAO R.S.C. multipoint room calibration for optimized sound.

Cons

  • HDCP 2.3 may present compatibility issues with older devices.
  • The complexity of features might require some effort to configure initially.

Ayleid Trailer Hitch Tri-Ball Mount with Hook&Pin&Rotatable Tow Shackle – Multiple hitch ball sizes (1-7/8″, 2″, 2-5/16″) provide versatility.

Ayleid Trailer Hitch Tri-Ball Mount with Hook&Pin&Rotatable Tow Shackle

This multi-ball hitch offers versatility with its three different ball sizes (1-7/8″, 2″, and 2-5/16″) and a tow hook with a 3/4″ D-ring shackle, fitting a standard 2-inch receiver. The hitch boasts weight ratings ranging from 5000 to 12000 lbs, catering to a variety of towing needs. The black powder coat finish appears durable, and the silver hitch balls add a touch of visibility.

The inclusion of a lifetime warranty provides peace of mind. However, users should confirm the specific weight rating of each ball size to ensure it meets their towing requirements. Overall, it seems like a potentially useful tool for individuals with varying towing needs.

Pros

  • Multiple hitch ball sizes (1-7/8″, 2″, 2-5/16″) provide versatility.
  • Includes a tow hook with a 3/4″ D-ring shackle.
  • Fits standard 2-inch receiver.
  • Offers a range of weight ratings (5000-12000 lbs).
  • Durable black powder coat finish.
  • Lifetime warranty offered.

Cons

  • Specific weight rating for each ball size needs to be verified.
  • May be heavier than single-ball hitches due to its multi-functionality.

Pyle 7.1-Channel Hi-Fi Bluetooth Stereo Amplifier – 2000 Watt AV Home Theater Speaker Subwoofer Surround Sound Receiver w/Radio – Bluetooth connectivity for wireless streaming.

Pyle 7.1-Channel Hi-Fi Bluetooth Stereo Amplifier - 2000 Watt AV Home Theater Speaker Subwoofer Surround Sound Receiver w/Radio

The Pyle 7.1 Channel Hi-Fi Home Theater Receiver aims to be a versatile centerpiece for a home entertainment system. With a claimed 2000 watts peak power, it offers ample amplification for most home theater setups. Bluetooth connectivity is a convenient feature, allowing for easy streaming from various devices.

4K UHD and 3D video pass-through are supported, ensuring compatibility with modern displays. The inclusion of microphone inputs with independent controls adds a karaoke or PA capability. The receiver also features EQ controls, allowing for some audio customization.

A VFD display and AM/FM radio are included. While the advertised wattage is high, the actual sustained power output and audio fidelity should be carefully considered in relation to the connected speakers.

Pros

  • Bluetooth connectivity for wireless streaming.
  • 4K UHD and 3D video pass-through support.
  • Multiple inputs including HDMI, USB, RCA, and optical/coaxial.
  • Microphone inputs with independent controls.
  • EQ controls for audio customization.
  • Includes remote control.

Cons

  • Advertised peak power of 2000 watts may not reflect sustained performance.
  • Audio fidelity and build quality may not match higher-end receivers.

FENIXFIT Wireless DMX512 Transmitter Receiver Rech – Eliminates the need for long DMX cables.

FENIXFIT Wireless DMX512 Transmitter Receiver Rech

The FENIXFIT wireless DMX512 controller offers a convenient solution for controlling stage lighting without the hassle of long DMX cables. The package includes one transmitter and seven receivers, allowing for control of multiple lighting fixtures. The system boasts a transmission distance of up to 1600ft and utilizes automatic frequency hopping to minimize interference.

With 7 individual wireless networks possible, multiple setups can operate simultaneously without cross-talk. While the units are made of zinc alloy, making them suitable for various environments, the claim of instant plug-and-play may require some initial setup familiarity. Overall, this wireless DMX system appears to be a practical option for streamlining stage lighting setup and breakdown, though testing in specific venue environments is recommended.

Pros

  • Eliminates the need for long DMX cables.
  • Long transmission distance (up to 1600ft).
  • Automatic frequency hopping minimizes interference.
  • Supports 7 individual wireless networks.
  • Durable zinc alloy construction.

Cons

  • While pre-linked, initial setup and understanding of ID codes may be required.
  • Performance might vary depending on the environment and potential interference sources.

Trailer Hitch Tri Ball Mount with Hook – Versatile with three ball sizes and a hook.

Trailer Hitch Tri Ball Mount with Hook

The Triple Ball Hitch with Hook offers versatility for towing various trailers with its three different ball sizes (1-7/8″, 2″, and 2-5/16″) and an added hook. Compatible with standard 2″ receivers, it caters to a range of vehicles, from RVs to farm trailers. The hitch boasts varying Gross Trailer Weight (GTW) capacities depending on the ball size, up to 7,500 lbs, with the hook rated for 10,000 lbs.

Safety is addressed with a pin to secure the hitch. The black powder-coat finish aims to provide rust and corrosion resistance. A one-year warranty provides some peace of mind, along with a 30 day return window.

Pros

  • Versatile with three ball sizes and a hook.
  • Compatible with standard 2″ receivers.
  • Offers varying GTW capacities for different towing needs.
  • Features a safety pin for secure attachment.
  • Corrosion-resistant black powder-coat finish.
  • Includes a one-year warranty.

Cons

  • Heavier loads may require more specialized towing equipment regardless of the hitch capacity.
  • The longevity of the powder-coat finish under heavy use is not specified.

Sony STR-DH790 7.2-ch Surround Sound Home Theater AV Receiver: 4K HDR – Supports Dolby Atmos and DTS:X for immersive audio.

Sony STR-DH790 7.2-ch Surround Sound Home Theater AV Receiver: 4K HDR

The STRDH790 AV receiver aims to deliver a cinematic audio experience at home with features like Dolby Atmos and DTS:X support. It handles 4K HDR passthrough, including Dolby Vision and HDR10, ensuring compatibility with modern displays. The inclusion of multiple HDMI inputs and digital/analog audio connections provides flexibility for connecting various devices.

The auto-calibration feature (D.C.A.C.) is designed to optimize sound for different room acoustics, while Bluetooth connectivity allows for wireless music streaming and convenient power-on functionality. The low-profile design is a plus for fitting into standard AV cabinets. The ‘Pure Direct’ function is a nice addition for audiophiles seeking higher fidelity.

Overall, it seems to be a competent mid-range receiver with a good feature set.

Pros

  • Supports Dolby Atmos and DTS:X for immersive audio.
  • 4K HDR passthrough with Dolby Vision and HDR10 support.
  • Multiple HDMI and audio connections for device compatibility.
  • Auto-calibration feature optimizes sound for different room setups.
  • Bluetooth connectivity for wireless streaming and remote power-on.
  • Low profile design fits well in most AV cabinets.

Cons

  • The lack of Wi-Fi connectivity might be a limitation for some users.
  • While competent, sound quality may not satisfy demanding audiophiles.

FENIXFIT Wireless DMX512 Transmitter Receiver No L – Eliminates the need for long DMX cables.

FENIXFIT Wireless DMX512 Transmitter Receiver No L

The FENIXFIT Wireless DMX512 Controller offers a cable-free solution for controlling stage lighting. The package includes one transmitter and seven receivers, designed to simplify setup and breakdown. With a claimed transmission distance of 1600ft, it operates on the 2.4G ISM band, utilizing GFSK modulation and automatic frequency hopping to minimize interference.

The system supports 7 individual wireless networks, allowing for simultaneous use of multiple setups without signal conflicts. The units are pre-linked for ease of use, and the zinc alloy construction suggests durability. The lifetime warranty adds a level of confidence.

Overall, it appears to be a viable option for those seeking to reduce cable clutter and improve setup efficiency.

Pros

  • Eliminates the need for long DMX cables.
  • Reduces setup and breakdown time.
  • Supports up to 7 independent wireless networks.
  • Long transmission distance (claimed 1600ft).
  • Durable zinc alloy construction.
  • Pre-linked for easy setup.

Cons

  • Real-world transmission distance may vary depending on environment.
  • Dependence on wireless signal integrity; potential for occasional signal drops.

Pyle 7.1-Channel Hi-Fi Bluetooth Stereo Amplifier – 2000 Watt AV Home Theater Speaker Subwoofer Surround Sound Receiver w/ Radio – 7.1 channel support for immersive audio

Pyle 7.1-Channel Hi-Fi Bluetooth Stereo Amplifier - 2000 Watt AV Home Theater Speaker Subwoofer Surround Sound Receiver w/ Radio

The Pyle 7.1 Channel Hi-Fi Home Theater Receiver offers a decent array of features for its price point. With 2000 watts peak power and 7.1 channel support, it aims to enhance your home entertainment experience. The inclusion of Bluetooth connectivity allows for easy streaming from various devices, while 4K UHD pass-through and multiple input options (USB, RCA, HDMI, optical/coaxial) provide flexibility in connecting your devices.

The front panel control center and VFD display are convenient, and the EQ controls offer basic sound customization. The integrated protection circuits are a welcome safety feature. Keep in mind the remote requires AAA batteries which are not included.

The HDCP compliance caveat regarding Apple TV and Dish Network is something to be aware of.

Pros

  • 7.1 channel support for immersive audio
  • Bluetooth connectivity for wireless streaming
  • 4K UHD pass-through and multiple input options
  • EQ controls for sound customization
  • Integrated protection circuits for safety

Cons

  • Peak power rating may not translate to sustained output
  • HDCP compliance issues with specific devices (Apple TV, Dish Network)

Klipsch Reference Theater Pack 5.1-Channel Speaker – Complete home theater system with all necessary components.

Klipsch Reference Theater Pack 5.1-Channel Speaker

This Klipsch home theater system offers a comprehensive audio solution for a cinematic experience. It includes four satellite speakers, a center speaker, and a wireless subwoofer, promising immersive sound. The system is powered by the Denon AVR-S770H, a 7.2-channel 8K AV receiver with HEOS integration, delivering 75W per channel.

The inclusion of spun copper IMG woofers and linear travel suspension horn-loaded tweeters suggests a focus on clear and dynamic audio reproduction. Setting up the system should be relatively straightforward thanks to the included speaker setup microphone and accessories. The wireless subwoofer offers placement flexibility.

The comprehensive warranty provides some peace of mind.

Pros

  • Complete home theater system with all necessary components.
  • Wireless subwoofer offers flexible placement options.
  • AV receiver supports 8K video and HEOS multi-room audio.
  • Includes speaker calibration microphone for optimized sound.
  • Reputable Klipsch brand with a 5-year limited warranty.

Cons

  • 75W per channel may not be sufficient for very large rooms.
  • Satellite speakers may lack the fullness of larger bookshelf speakers.

Donner Wireless DMX512 Transmitter Receiver DJ 2.4G DMX Wireless Controller 7 Receivers with Built-in Battery & Light Dome & 1 Transmitter for LED Stage Disco Party Bar – Eliminates the need for DMX cables.

Donner Wireless DMX512 Transmitter Receiver DJ 2.4G DMX Wireless Controller 7 Receivers with Built-in Battery & Light Dome & 1 Transmitter for LED Stage Disco Party Bar

The Donner DMX512 wireless controller offers a convenient solution for stage lighting control, eliminating the need for extensive wiring. The system includes one transmitter and seven receivers, allowing for control of multiple DMX lamps. A notable feature is the ability to establish seven independent wireless networks to minimize interference when using multiple units in the same space.

With automatic frequency hopping and a communication range of up to 500 meters (line of sight), the system aims to provide reliable performance. The rechargeable design of the transmitter and receivers simplifies setup and reduces reliance on numerous power outlets. However, users should note that this system is specifically for devices labeled with DMX512.

Pros

  • Eliminates the need for DMX cables.
  • Supports up to 7 independent wireless networks to avoid interference.
  • Rechargeable design simplifies setup and reduces outlet usage.
  • Long communication distance (up to 500 meters line of sight).
  • Includes one transmitter and seven receivers.
  • Automatic frequency hopping for anti-jamming.

Cons

  • Only compatible with devices explicitly marked with DMX512.
  • Communication distance is limited by line of sight.

Buying Guide: What to Look For in a Best 7 1 Receivers

Understanding 7.1 Channel Audio

A 7.1 channel receiver provides an immersive audio experience using seven speakers and one subwoofer. This setup typically includes front left, front right, center, surround left, surround right, surround back left, and surround back right speakers, plus the subwoofer for low-frequency effects. When selecting the best 7 1 receiver, consider the size of your room and the placement of your speakers for optimal sound. A good receiver will also have room calibration features to tailor the audio to your specific environment.

Key Features to Consider

Choosing the best 7 1 receiver involves evaluating several crucial features. HDMI 2.1 ports are essential for future-proofing your system, especially if you plan on using 8K video sources. Look for support for Dolby Atmos and DTS:X for the most immersive audio formats. Streaming service support, Bluetooth connectivity, and voice control integration are also important for convenience. Consider the power output of the receiver to ensure it can adequately drive your speakers.

Room Calibration and Connectivity

One of the most important features of a good 7 1 receiver is its room calibration capability. Systems like YPAO R.S.C. or auto-calibration features use microphones to analyze your room’s acoustics and adjust the receiver’s settings accordingly. This ensures the best possible sound quality, regardless of your speaker placement. Also, consider connectivity options like HDMI, RCA, optical, and USB inputs to accommodate all your devices.

Power and Speaker Compatibility

The power output of your 7 1 receiver is crucial for driving your speakers effectively. Make sure the receiver’s power rating (watts per channel) is compatible with your speakers’ impedance and power handling capabilities. Overpowering your speakers can damage them, while underpowering them can result in distorted sound. Consider the number of channels supported by your receiver and choose speakers accordingly for optimal surround sound.

Frequently Asked Questions about Best 7 1 Receivers

What is the difference between 7.1 and 5.1 surround sound?

A 7.1 surround sound system offers a more immersive experience than a 5.1 system. The key difference lies in the addition of two rear surround speakers in a 7.1 setup, compared to the single pair of surround speakers in a 5.1 configuration. This allows for a more enveloping and precise soundstage, especially noticeable in action movies and video games. Choosing the best 7 1 receiver can significantly enhance your audio experience.

How important is HDMI 2.1 for a 7.1 receiver?

HDMI 2.1 is crucial for future-proofing your 7 1 receiver, especially if you plan on using 8K or high refresh rate gaming consoles. HDMI 2.1 supports higher bandwidth, allowing for 8K video at 60Hz or 4K video at 120Hz. It also supports features like Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM), which are beneficial for gaming. Consider the number of HDMI 2.1 ports available on the receiver to accommodate all your devices.

What are Dolby Atmos and DTS:X, and do I need them?

Dolby Atmos and DTS:X are object-based surround sound technologies that create a more immersive audio experience by adding height channels. This means sound effects can be placed precisely in three-dimensional space, including above you. While not essential, these technologies significantly enhance the realism of movies and games. If you’re looking for the best 7 1 receiver for a high-end home theater, consider one that supports these formats.

How does room calibration work, and is it necessary?

Room calibration uses a microphone to analyze your room’s acoustics and automatically adjust the receiver’s settings to optimize sound quality. Factors like room size, shape, and furniture can affect sound reproduction. Room calibration compensates for these imperfections, ensuring a more balanced and accurate audio experience. While not strictly necessary, it is highly recommended for achieving the best possible sound from your 7 1 receiver.

Can I use Bluetooth headphones with a 7.1 receiver?

Many 7 1 receivers offer Bluetooth connectivity, allowing you to wirelessly stream audio to Bluetooth headphones or speakers. This is useful for private listening or expanding your audio setup to other rooms. However, keep in mind that Bluetooth audio quality may not be as high as wired connections. Check the receiver’s specifications to confirm Bluetooth support and compatibility with your headphones.

What is the ideal speaker placement for a 7.1 system?

For a 7.1 system, place the front left and right speakers at ear level and angled towards the listening position. The center speaker should be placed directly in front of the listening position, typically below or above the TV. The surround left and right speakers should be placed slightly behind the listening position, also at ear level. The rear surround speakers should be placed directly behind the listening position, spaced evenly apart. The subwoofer can be placed anywhere in the room, but typically sounds best in a corner.

How much power do I need for my 7.1 receiver?

The required power output depends on your speakers’ sensitivity and impedance, as well as the size of your room. Generally, a 7 1 receiver with 80-100 watts per channel is sufficient for most home theaters. However, larger rooms or speakers with lower sensitivity may require more power. Consult your speaker specifications and consider the size of your room when choosing a receiver with adequate power.

What other connections should I look for in a 7.1 receiver?

Besides HDMI 2.1, consider other important connections such as optical and coaxial digital audio inputs, RCA analog audio inputs, and a phono input for connecting a turntable. USB ports are useful for playing music from external storage devices. Pre-outs for connecting external amplifiers can also be beneficial for future expansion. A good 7 1 receiver will offer a variety of connections to accommodate all your devices.

Is a separate amplifier necessary with a 7.1 receiver?

In most cases, a separate amplifier is not necessary for a 7 1 receiver. Modern receivers have built-in amplifiers that are powerful enough to drive most speakers adequately. However, if you have particularly demanding speakers or a very large room, you may consider adding an external amplifier to provide more power and headroom. This can improve the overall sound quality and dynamic range.

What are some reputable brands for 7.1 receivers?

Several brands are known for producing high-quality 7 1 receivers. Yamaha, Sony, Denon, and Marantz are all reputable brands with a long history of producing excellent audio equipment. Consider reading reviews and comparing specifications to find the best 7 1 receiver that meets your specific needs and budget. Klipsch also offer great complete systems.

Conclusion: The Final Verdict

The YAMAHA RX-V6A 7.2-Channel AV Receiver with MusicCa this av receiver offers a comprehensive feature set for both audio and video enthusiasts. if you’re looking for a receiver that’s ready for the latest technologies and offers ample streaming options, this is a solid choice.

Scroll to Top