Description
Description of the Polk Audio MXT70 Package:
The Polk Audio Monitor XT70 Speaker Package Includes:
- 2 x Polk Audio MXT70 Floorstanding Speakers
- 2 x Polk MXT90 Atmos / Surround
- 1 x Polk MXT35C Centre Speaker
- 1 x Denon AVC S660H AV Amplifier
Description of the Polk Monitor XT70 High-Resolution Floor-Standing Loudspeaker:
See the Polk Audio MXT70 Floorstanding Speakers here:Â https://www.polkaudio.com/en-us/product/floor-standing-towers/monitor-xt70
- The highest performing loudspeaker in the Monitor XT line, the MXT70 maximizes your enjoyment of music, movies, TV, and gaming. With its dual 165.1mm Dynamic Balance woofers and 203.2mm passive bass radiators, and Hi-Res Audio certified tweeter, the MXT70 will fill your home with powerful, high-resolution sound with crystal clear highs and deep, effortless bass.
Powerful, High-Resolution Sound:
- The highest performing loudspeaker in the Monitor XT line, the MXT70 maximizes your enjoyment of music, movies, TV, and gaming through powerful, high-resolution sound with crystal clear highs and deep, effortless bass. Hi-Res Audio and Dolby Atmos-certified, DTS:X compatible, and in a modern, accessibly-priced design, Monitor XT70 fulfills the Polk promise of great sound for all.
Certified Hi-Res Audio Performance:
- Monitor XT70’s Terylene dome tweeters enable playback beyond the range of human hearing—up to 40kHz—ensuring an airy, clear, high-end energy and spaciousness that you’ll not only hear but feel. MXT70 is perfect for enjoying high-resolution movies, gaming, or the latest hi-res streaming services like Apple Music, Tidal, Amazon Music HD, Qobuz, and Spotify HiFi.
Deep Effortless Bass:
- Polk has always been known for speakers that produce effortless bass, the MXT70 is no exception. Two beefy 165.1mm high-efficiency, Dynamically Balanced woofers enhanced by dual 203.2mm passive radiators provide a clean, open mid-range and punchy, responsive bass, with low distortion—making voices and instruments heard and movie soundtracks and music filled with impact.
Built For Pure Listening:
- Polk Audio MXT70 was made for the enjoyment of pure sound: Dual nickel-plated binding posts guarantee a direct, lossless connection and provide the ability to bi-amp the speakers; low-resonance, critically braced MDF cabinets isolate the sound of the woofers and tweeter without adding unwanted resonances; and their removable, precision-fit grilles minimize sonic interference.
Dolby Atmos Certified & DTS:X Compatible:
- Compatible with the latest Dolby Atmos and DTS:X surround sound enabled AV receivers and 4- & 8-ohm amplifiers, Monitor XT does not require specialized equipment to deliver great sound. Combine the MXT90 height module with the MXT70 to experience new dimensions of 3D sound.
Specifications of the Polk Audio MXT70 Floor Standing Speakers:
- Dimensions: 235mm (W) x 1026mm (H) x 318mm (D)
- Weight: 15.88kg
- Front Array Driver Complement: (1) 1″ (2.54 cm) Terylene Dome Tweeter
- (2) 6.5″ (16.51 cm) Bi-laminate Paper Woofer
- (2) 8″ (20.32 cm) Passive Bass Radiators
- Sensitivity (1W @ 1M): 89dB
- Crossover Frequency: 2,700Hz
- Total Frequency Response: 35Hz – 40,000Hz
- Impedance: Compatible with 4- and 8-Ohm Outputs
- Recommended Amplifier Power Per Channel: 25W – 200W
- Speaker Inputs: 5-Way Nickel Plated Binding Posts
Description of the Polk Audio MXT90 Height Speaker For Dolby Atmos / DTS:X:
Enhance All Your Favourite Media:
- Raise your home theater to new heights. The Monitor XT90 fits atop the Monitor XT20, MXT60, and MXT70 (or wall mounts) to enhance movies and games in Dolby Atmos and DTS:X with dramatic 3D sound. Hear planes flying overhead, special FX, ambiance, and more for a truly immersive experience.
Take Full Advantage of Dolby Atmos & DTS:X:
- Enjoy the full multi-dimensional experience of Dolby Atmos, DTS:X, and DTS Virtual:X content. The Monitor XT90 was designed to take full advantage of these format’s height audio channels and will reflect sound off your ceiling to add a true third dimension to the sound field of your home theater.
Flexible Placement For Premium 3D Sound:
- Whether mounted on your wall or placed atop a shelf or select Monitor XT Series loudspeakers, Monitor XT90 set up is easy. They’re designed to fit perfectly on top of the Monitor XT20, XT60, and XT70, and they also feature built-in keyhole slots for wall mounting.
Works With Any Dolby Atmos Or DTS:X Compatible Receiver:
- The MXT90 will act as a height channel when paired with any 4- and 8-ohm AV receiver that provides a minimum of 7-channels and that supports Dolby Atmos or DTS: X. You can also use the MXT90 with vintage receivers that have DSP and outputs for ambiance speakers.
Built For Pure Listening:
- All Monitor XT models are made for the enjoyment of pure sound: Their nickel-plated binding posts guarantee a direct, lossless connection; low-resonance, critically braced, MDF cabinets isolate the sound of the woofer without adding unwanted resonances; and their removable, precision-fit grilles minimize sonic interference.
Specifications of the Polk Audio MXT90 Dolby Atmos Speakers:
- Qty Included: Pair
- Width: 7.5″ (19.05 cm)
- Height: 5.64″ (14.32 cm)
- Depth: 8.38″ (21.29 cm)
- Weight: 2.72 kg (6 lbs)
- Front Array Driver Complement (1) 4” (10.16 cm) Bi-laminate Paper Woofer
- Sensitivity (1 watt @ 1 meter): 89 dB
- Crossover Frequency: 2700 Hz
- Total Frequency Response: 94 Hz → 22,000 Hz
- Impedance: Compatible with 4- and 8-ohm outputs
- Recommended Amplifier Power Per Channel: 30 watts → 100 watts
- Inputs: 5-way nickel-plated binding posts
Denon AVC S660H 5.2 AV Amplifier Description:Â

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Designed for 4K or 8K setups, the AVC-S660H delivers superior surround sound and gaming experiences and supports the latest HDMI specifications.
Powerful, discrete 5-channel amplifier
Delivers maximum performance and 135W per channel to provide the classic and dynamic Denon sound experience.
Advanced 8K HDMI video with eARC support
Three 8K inputs support the latest HDMI specifications—8K/60Hz, select 4K/120Hz pass-through, VRR, Dolby Vision™, HDR10 , and ALLM.
Full surround sound experience
Enjoy enveloping Dolby TrueHD or DTS-HD Master Audio 5.1 surround sound from Blu-ray, streaming services and TV.
Easy setup and operation
Once you connect your TV to the AVC-S660H, the Denon Setup Assistant walks you through the setup step.
Specifications
- Number of Power Amps: 5
- Power Output (8 ohm, 20 Hz – 20 kHz, 0.08% 2ch Drive): 75 W
- Power Output (6 ohm, 1 kHz, 0.7% 2ch Drive): 100 W
- Power Output (6 ohm, 1 kHz, 1% 1ch Drive): 135 W
General
- Speaker impedance: 4-16Ω/ohms
- Input sensitivity: 200 mV
- Frequency response: 10 Hz – 100 kHz — 1, –3 dB (Direct mode)
- S/N Ratio: 98dB (IHF-A weighted, Direct Mode)
- Power Supply: AC 230 V, 50 Hz
- Power Consumption in W: 340
- Power Consumption No-Sound (ECO On / Off) in W: 29 W / 39 W
- Weight in kg: 7.8
- 3.5mm audio line-in connection: Yes
- System Remote Control RC-1243
- Standby Consumption in W: 0.1
- CEC Standby Consumption in W: 0.5
- Network Control On Consumption in W: 2.0
- Available colours: Black / Premium Silver: Yes / No
- Maximum Dimensions: w/ Antenna 434 x 339 x 215 mm
- w/o Antenna: 434 Ă— 339 Ă— 151 mm
- Carton Maximum Dimensions (W x D x H): 523 x 435 x 232 mm
- Carton Weight (inc. product) in kg: 9.7
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