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Denon AVC-S660H - 5.2 Channel 135W 8K AV Amplifier with HEOS® Built-in The Denon AVC-S660H is a powerful AV amplifier designed for 4K and 8K home theatre setups, delivering immersive surround sound and seamless gaming experiences. It supports the latest HDMI specifications and features HEOS® built-in for wireless multi-room audio streaming. Key Features Discrete 5-channel amplifier delivering 135W per channel for dynamic Denon sound Advanced 8K HDMI video with eARC support and three 8K inputs (8K/60Hz, 4K/120Hz pass-through) Supports VRR, Dolby Vision™, HDR10+, and ALLM for enhanced video quality and gaming Full surround sound with Dolby TrueHD and DTS-HD Master Audio 5.1 support Easy setup with Denon Setup Assistant guiding you step-by-step HEOS® built-in for wireless music streaming and multi-room audio 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 Speaker Impedance 4-16 Ω Input Sensitivity 200 mV Frequency Response 10 Hz - 100 kHz — +1, –3 dB (Direct mode) S/N Ratio 98 dB (IHF-A weighted, Direct Mode) Power Supply AC 230 V, 50 Hz Power Consumption 340 W Power Consumption No-Sound (ECO On / Off) 29 W / 39 W Weight 7.8 kg 3.5mm Audio Line-In Yes System Remote Control RC-1243 Standby Consumption 0.1 W CEC Standby Consumption 0.5 W Network Control On Consumption 2.0 W Available Colours Black / Premium Silver Maximum Dimensions (W x D x H) With Antenna: 434 x 339 x 215 mm Without Antenna: 434 x 339 x 151 mm Carton Maximum Dimensions (W x D x H) 523 x 435 x 232 mm Carton Weight (including product) 9.7 kg Inputs & Outputs HDMI In / Out 6 / 1 Composite In / Out 2 / 1 Phono (MM) In Yes Analogue In / Out 2 / - Digital Optical In / Out 2 / No Front Inputs: Audio / Composite / Digital (Opt) / HDMI / USB No / No / No / No / Yes Pre-out / Main-in 0.2 ch / No Headphone Output Yes Ethernet Yes AM/FM Tuner No Digital In: Optical / Coaxial 2 / 0 Multichannel Preout 0 (0.2) Subwoofer Out 2 Number of Speaker Terminals 5 USB Audio / Made for iPod / Made for iPhone Yes / AirPlay / AirPlay Speaker Terminal: Gold Plated Screw / Regular Screw No / Yes FM Tuner with RDS No Multichannel Surround DTS Neo:X / DTS Neural:X NEO: 6 / - Max Number of Processing (Preamp) Channels 5.1 DTS HD Master / DTS:X Yes / No Dolby TrueHD / Dolby Atmos Yes / No Multichannel Stereo Yes Dialog Enhancer Yes Dolby ProLogic II / Dolby Surround Yes / No Sound Enhancements Discrete Power Amplifier 5 Audyssey MultEQ Audyssey Dynamic EQ / Dynamic Volume Yes / Yes Compressed Audio Restorer Yes Network DSD Audio Streaming Up to DSD5.6 Gapless Playback Yes (FLAC, WAV, ALAC, DSD) Internet Radio TuneIn Compatible with Remote APP for Smart Phones Android / iOS Compatible with Remote APP for Tablets Android / iOS / Amazon Kindle