AMPLIFIER
Denon AVC-S660H
Denon AVR-X550BT
Channels 5.2 5.2 Power Output 75 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) 70 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) Front Wide Channel Support Discrete Amplification THX™ Certification Continuous 6 Ω Rated Certified 4 Ω Performance Mono Block Power Amplifier Construction Bi-amp Capability
AUDIO FEATURES
Denon AVC-S660H
Denon AVR-X550BT
Maximum Channel Processing 5.1 5.1 D.D.S.C. HD Digital Alpha Processing Air Studios Monitor Certification Dolby Atmos Dolby Atmos Height Virtualization Dolby Atmos Music Dolby TrueHD Dolby Digital Plus Dolby Surround Upmixer Dolby Pro Logic PLII PLIIDolby Digital EX Surround EX DTS:X DTS Neural:X DTS Virtual:X DTS Neo Neo:6 Neo:6DTS-HD Master Audio DTS-HD High Resolution Audio DTS 96/24 DTS Express DTS-ES IMAX Enhanced Auro 3D with Auro-Matic Upmixer PCM 2-ch/Multi-ch Input 2-ch/Multi-ch InputNetwork Audio Formats MP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, DSD Music Playback via USB MP3, WMA, AAC, Apple Lossless, WAV, FLAC, DSD MP3, WMA, AAC, WAV, FLAC High Resolution Music Playback via USB and/or Network up to 192 kHz up to 96 kHzHigh Resolution Audio Formats via USB Apple Lossless, WAV, FLAC, DSD FLAC Gapless Playback DSD via HDMI DSD via USB 2-ch InputDSD to PCM Converter USB DAC Jitter Reduction DTS Dialogue Control Dialog Enhancement Dialog Level Adjustment Dialog normalization Dialogue Lift Compressed Music Enhancer High-resolution Music Enhancer Audyssey Dynamic EQ Audyssey Dynamic Volume Audyssey LFC Audyssey Sub EQ HT Audyssey DSX Direct Mode Pure Direct Mode Independent Subwoofer Outputs
CALIBRATION
Denon AVC-S660H
Denon AVR-X550BT
Auto Speaker Calibration System with Mic. Audyssey MultEQAudyssey App Support Optimized Bass Redirection Bass Sync
VIDEO FEATURES
Denon AVC-S660H
Denon AVR-X550BT
HDR10 HDR10+ Dynamic HDR BT.2020 color space Dolby Vision HLG (Hybrid Log Gamma) HDMI Version 2.1 HDBaseT Compatible Enhanced Audio Return Channel (eARC) HDCP Version 2.3 2.2 QMS (Quick Media Switching) ALLM (Auto Low Latency Mode) VRR (Variable Refresh Rate) QFT (Quick Frame transport) DSC (Display Stream Compression) 3-D Ready Video Signal Passthrough up to 8K 50/60Hz (YCbCr 4:2:0/8-bit) and 4K 100/120Hz (RGB/YCbCr 4:4:4/8, 10-bit and YCbCr 4:2:2/12-bit) up to 4K 50/60Hz 4:4:4 Video Signal Upscaling from 1080p and 4K up to 8K 50/60Hz and 4K 50/60HzAnalog To HDMI Upconversion Component Video Upscaling Analog to Analog Video conversion isf Certified Calibration Control
CONNECTIVITY
Denon AVC-S660H
Denon AVR-X550BT
Wi-Fi Bluetooth SBC SBC, AACBluetooth Headphone Transmission Works with Amazon Alexa Google Assistant Chromecast Built-In Apple Siri Works with SonoS HEOS DTS Play-Fi MHL Input DLNA 1.5 AirPlay AirPlay 2Apple Product Connection iPod, iPhone and iPad iPod, iPhone and iPadRemote App Denon 2016 AVR Remote App for iOS and Android devices and Kindle Fire Denon 2016 AVR Remote App for iOS and Android devices and Kindle FireInstaPrevue Input Source Prevue
TERMINALS
Denon AVC-S660H
Denon AVR-X550BT
HDMI Inputs 6 5 HDMI Outputs 1 1 8K Inputs 3 USB Input 1 Front for USB memory 1 (Front) for USB memory USB DC Out Port Optical Inputs 2 2 Optical Outputs Coaxial Inputs RCA Line Inputs 3 2 RCA Line Outputs XLR Line Inputs Phono Input Multi-Channel Input RCA Pre-Outs 0.2 0.2 XLR Pre-outs Composite Video Inputs 2 2 Composite Video Outputs 1 1 S-Video Inputs S-Video Outputs Component Video Inputs Component Video Outputs Ethernet Ethernet Switch PC In Front A/V Inputs USB USB Speaker A/B Headphone Out 6.3 mm (1/4") 6.3 mm (1/4") Detachable Power Cord
ZONES
Denon AVC-S660H
Denon AVR-X550BT
Number of Zones 1 1 RS-232C Interface +12V Trigger Output Remote (IR) Input/Output 0 / 0 0 / 0
MISCELLANEOUS
Denon AVC-S660H
Denon AVR-X550BT
On-Screen Display Hybrid Graphic User InterfaceGUI Languages 9 3 Web Control IP Control Control4 SDDP Display 1 line 1 lineRemote Controller RC-1243 RC-1216 Pre-programmed / Learnable / LCD Display / / / / Denon Link HD Setup Assistant Quick Select plus / Quick Select / /
RADIO
Denon AVC-S660H
Denon AVR-X550BT
Analog Tuner FM/AM with RDSDigital Radio Internet Radio TuneInPandora Spotify Tidal Deezer Napster SiriusXM
CONSTRUCTION
Denon AVC-S660H
Denon AVR-X550BT
Front Panel not Metal not Metal Speaker Terminals 5 5 Large Speaker Terminals 5 Color-Coded Speaker Terminals Transparent High-Grade Speaker Terminals High Grade Audio Components Gold plated RCA terminals
POWER
Denon AVC-S660H
Denon AVR-X550BT
Power Supply AC 230 V, 50/60 Hz AC 230 V, 50/60 Hz Power Consumption 340 W 310 W No Sound Power ECO On/Off: 29 W/39 W ECO On/Off: 26 W/35 W Standby Power 0.1 W 0.1 W ECO Mode / Hybrid Standby Function Auto Power off
PHYSICAL
Denon AVC-S660H
Denon AVR-X550BT
Dimensions (W x H x D) 434 mm x 151 mm x 339 mm (with antenna: 434 mm x 215 mm x 339 mm) 17 1/8" x 6" x 13 3/8" (with antenna: 17 1/8" x 8 1/2" x 13 3/8") 434 mm x 151 mm x 319mm 17 1/8" x 6" x 12 5/8" Dimensions of Package (W x H x D) 523 mm x 232 mm x 435 mm 20.6"e; x 9.1"e; x 17.1"e; Weight 7.8 kg (17 lbs 3 oz) 7.6 kg (16 lbs 12 oz) Weight of Package 9.7 kg (21.4 lbs)
SPECIFICATIONS
Denon AVC-S660H
Denon AVR-X550BT
Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) 75 W (0.08% THD) 70 W (0.08% THD) Power Output (6 Ω, 1 kHz, 2 channel driven, FTC) 100 W (0.7% THD) 90 W (0.7% THD) Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC) 150 W (10% THD) 140 W (10% THD) Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC) 135 W (1% THD) 130 W (1% THD) Phono Distortion 0.03% (1 kHz, 3 V) Input Sensitivity and Impedance (Line) 200 mV/47 kΩ 200 mV/47 kΩ Input Sensitivity and Impedance (Phono MM) 2.5 mV S/N Ratio (Line, IHF-A) 98 dB 98 dB S/N Ratio (Phono MM, IHF-A) 74 dB Phono RIAA Deviation ±1 dB (20-20 kHz) Frequency Response (Analog In) +1/-3 dB (10 Hz to 100 kHz, Direct mode) +1/-3 dB (10 Hz to 100 kHz, Direct mode) DSD Sampling Rates via USB 5.6 MHz, 2.8 MHz Video Input Sensitivity/Output Level and Impedance 1 Vp-p/75 Ω (Composite) Video Frequency Response 5 Hz to 10 MHz, 0 dB/-3 dB (Composite) Ethernet Standard 100BASE-TX Wi-Fi Standard IEEE 802.11 a/b/g/n/ac Wi-Fi Terminal Frequency 5 GHz, 2.4 GHz Bluetooth Version 4․2 3․0 + EDR Bluetooth Frequency 2.4 GHz 2.4 GHz USB Terminal USB2.0 5V, 1 A USB2.0 5V, 1 A FM Frequency 87.5 MHz - 108.0 MHz FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.) Mono: 2.8 µV (20.2 dBf) FM Effective Sensitivity 1.2 µV (12.8 dBf) FM S/N Ratio Mono/Stereo: 70 dB/67 dB FM Harmonic Distortion (IHF, 1 kHz) Mono/Stereo: 0.7%/1.0% Mono/Stereo: 0.7%/1.0% AM Frequency 522 kHz - 1611 kHz AM Effective Sensitivity 18 µV Warranty 3 Years 3 Years
* - 480i/576i and 480p/576p only
** - 480i/576i only
*** - no 1080p/24 upconversion
**** - 1080p signal is not converted
For a full review please go to the review page:
Review