| AMPLIFIER |
Denon AVR-X4100W |
Onkyo TX-NR838 |
| Channels | 7.2 | 7.2 |
| Power Output | 125 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) | 130 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) |
| Front Wide Channel Support | | |
| Discrete Amplification | | |
| WRAT (Wide Range Amplifier Technology) | | |
| VLSC (Vector Linear Shaping Circuitry) | | |
| Optimum Gain Volume Circuitry | | |
| THX™ Certification | | Select™2 Plus |
| Continuous 6 Ω Rated | | |
| Certified 4 Ω Performance | | |
| Discrete Output Stage Circuitry | | |
| 3-Stage Inverted Darlington Circuitry | | All Channels |
| PUSH-PULL Design | | |
| Mono Block Power Amplifier Construction | | |
| Independent Block Construction (Amp/Preprocessor) | | |
| Bi-amp Capability | assignable | |
| BTL (Bridged Transless or Bridging) | | |
| AUDIO FEATURES |
Denon AVR-X4100W |
Onkyo TX-NR838 |
| Digital Signal Processing (DSP) Engine | 4 powerful high speed 4th generation SHARC DSP processors | Dual 32-bit DSP for Powerful Advanced Processing |
| DAC | | Burr-Brown |
| DAC Specs | 192 kHz/24 Bit | 192 kHz/24 Bit |
| Maximum Channel Processing | 9.2 | 7.1 |
| D.D.S.C. HD Digital | | |
| Alpha Processing | AL24 Processing Plus | |
| Air Studios Monitor Certification | | |
| Dolby Atmos | up to 5.1.4 or 7.1.2 with external amp | |
| Dolby Atmos Height Virtualization | | |
| Dolby Atmos Music | | |
| Dolby TrueHD | | |
| Dolby Digital Plus | | |
| Dolby Surround Upmixer | | |
| Dolby Pro Logic | | |
| Dolby Digital EX | | |
| Surround EX | | also known as Dolby Digital Surround EX |
| DTS:X | | |
| DTS Neural:X | | |
| DTS Virtual:X | | |
| DTS Neo | Neo:X | Neo:6 |
| DTS-HD Master Audio | | |
| DTS-HD High Resolution Audio | | |
| DTS 96/24 | | |
| DTS Express | | |
| DTS-ES | Discrete 6.1, Matrix 6.1 | Discrete 6.1, Matrix 6.1 |
| IMAX Enhanced | | |
| Auro 3D with Auro-Matic Upmixer | | |
| PCM | 2-ch/Multi-ch Input | 2-ch/Multi-ch Input |
| Network Audio Formats | MP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, AIFF, DSD | |
| Music Playback via USB | MP3, WMA, AAC, Apple Lossless, WAV, FLAC, AIFF, DSD | FLAC, WAV, Apple Lossless, WMA, WMA Lossless, Ogg, MP3, DSD, AAC, LPCM, Dolby TruHD |
| High Resolution Music Playback via USB and/or Network | up to 192 kHz | up to 96 kHz |
| High Resolution Audio Formats via USB | Apple Lossless, WAV, FLAC, AIFF, DSD | FLAC, WAV, WMA Lossless, Apple Lossless, DSD, AAC |
| Gapless Playback | | |
| DSD via HDMI | 2-ch/Multi-ch Input | 2-ch/Multi-ch Input |
| DSD via USB | 2-ch Input | 2-ch Input |
| DSD to PCM Converter | | |
| USB DAC | | |
| Jitter Reduction | | PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio |
| DTS Dialogue Control | | |
| Dialog Enhancement | | |
| Dialog Level Adjustment | | |
| Dialog normalization | | |
| Dialogue Lift | | |
| Tone Control | | Front L/R Channels |
| Compressed Music Enhancer | | Advanced Music Optimizer (bluetooth included) |
| High-resolution Music Enhancer | | |
| THX Processing Mode | | |
| Audyssey Dynamic EQ | | |
| Audyssey Dynamic Volume | | |
| Audyssey LFC | | |
| Audyssey Sub EQ HT | | |
| Audyssey DSX | | |
| Phase-Matching Bass Boost | | for Deep Bass and Clear Mid-Range |
| Direct Mode | | |
| Pure Audio Mode | | |
| Pure Direct Analog Path Mode | | |
| Pure Direct Mode | | |
| Virtual Speakers | | T-D (Theater-Dimensional) |
| Independent Subwoofer Outputs | | |
| VIDEO FEATURES |
Denon AVR-X4100W |
Onkyo TX-NR838 |
| HDR10 | | |
| HDR10+ | | |
| Dynamic HDR | | |
| BT.2020 color space | | |
| Dolby Vision | | |
| HLG (Hybrid Log Gamma) | | |
| HDBaseT Compatible | | |
| Enhanced Audio Return Channel (eARC) | | |
| HDCP Version | 2.2 | 2.2 |
| QMS (Quick Media Switching) | | |
| ALLM (Auto Low Latency Mode) | | |
| VRR (Variable Refresh Rate) | | |
| QFT (Quick Frame transport) | | |
| 3-D Ready | | |
| Video Signal Passthrough | up to 4K 50/60Hz 4:4:4 | up to 4K/60p (YCbCr 4:2:0) |
| Video Signal Upscaling | up to 4K 50/60Hz 4:4:4 | up to 4K/30p (Marvell Qdeo) |
| Analog To HDMI Upconversion | Component, Composite | Component**, Composite |
| Component Video Upscaling | | |
| Analog to Analog Video conversion | | |
| Component Video Maximum Resolution | 1080p | 1080i |
| isf Certified Calibration Control | | |
| SPECIFICATIONS |
Denon AVR-X4100W |
Onkyo TX-NR838 |
| Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) | 125 W (0.05% THD) | 130 W (0.08% THD) |
| Power Output (6 Ω, 20 Hz - 20 kHz, 1 channel driven, JEITA) | | 145 W (0.08% THD) |
| Power Output (6 Ω, 1 kHz, 2 channel driven, FTC) | 165 W (0.7% THD) | 160 W (0.7% THD) |
| Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC) | 235 W (10% THD) | 215 W |
| Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC) | 200 W (1% THD) | 180 W (1% THD) |
| Dynamic Power per Channel (3 Ω, Front) | | 300 W |
| Dynamic Power per Channel (4 Ω, Front) | 190 W x 2-channel | 250 W |
| Dynamic Power per Channel (8 Ω, Front) | 130 W x 2-channel | 150 W |
| THD | | 0.08% (20 Hz - 20 kHz, Half power) |
| THD (Digital) | 0.008% (1 kHz, at 0 dB) | |
| Analog Distortion | 0.005% (20 Hz-20 kHz, Direct mode) | |
| Phono Distortion | 0.03% (1 kHz, 3 V) | |
| Damping Factor | | 60 (Front, 1 kHz, 8 Ω) |
| Input Sensitivity and Impedance (Line) | 200 mV/47 kΩ | 200 mV/47 kΩ (Line) |
| Input Sensitivity and Impedance (Phono MM) | 2.5 mV | 2.5 mV/47 kΩ |
| Rated Preout Level and Impedance | | 200 mV/470 Ω |
| Rated Output digital | 2 V (at 0 dB playback) | |
| Maximum Preout Level and Impedance | | 4.6 V/470 Ω |
| Phono Overload | | 70 mV (MM, 1kHz, 0.5% Direct) |
| S/N Ratio (Line, IHF-A) | 102 dB | 106 dB |
| S/N Ratio (Phono MM, IHF-A) | 74 dB | 80 dB |
| S/N Ratio (digital) | 102 dB | |
| Dynamic Range (digital) | 100 dB | |
| Phono RIAA Deviation | ±1 dB (20 Hz to 20 kHz) | |
| Frequency Response (Analog In) | +1/-3 dB (10 Hz to 100 kHz, Direct mode) | 5 Hz - 100 kHz/+1 dB, -3 dB (Direct Mode) |
| DSD Sampling Rates via HDMI | 2.8 MHz | 2.8 MHz, 5.6 MHz |
| DSD Sampling Rates via USB | 2.8 MHz | 2.8 MHz |
| Video Input Sensitivity/Output Level and Impedance | 1 Vp-p/75 Ω (Component Y) 0.7 Vp-p/75 Ω (Component PB/CB, PR/CR) 1 Vp-p/75 Ω (Composite) | 1 Vp-p/75 Ω (Component Y) 0.7 Vp-p/75 Ω (Component PB/CB, PR/CR) 1 Vp-p/75 Ω (Composite) |
| Video Frequency Response | 5 Hz to 60 MHz, 0 dB/-3 dB (Component) 5 Hz to 10 MHz, 0 dB/-3 dB (Composite) | 5 Hz - 100 MHz/+0 dB, -3 dB (Component) |
| Ethernet Standard | 100BASE-TX | 10BASE-T/100BASE-TX |
| Wi-Fi Standard | | IEEE 802.11 b/g/n |
| Wi-Fi Terminal Frequency | 2.4 GHz | 2.4 GHz |
| Bluetooth Version | 2․1 + EDR | 2․1 + EDR |
| Bluetooth Frequency | 2.4 GHz | 2.4 GHz |
| USB Terminal | USB2.0 5V, 1 A | |
| FM Frequency | 87.5 MHz - 108.0 MHz | 87.5 MHz - 107.9 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% | |
| AM Frequency | 522 kHz - 1611 kHz | 522/530 kHz - 1611/1710 kHz |
| AM Effective Sensitivity | 18 µV | |
| Warranty | 3 Years | 2 Years |