DRX-3.3 9.2-Channel Network A/V Receiver


Engineered to Fit Your Entertainment Dreams
The DRX-3.3 lets you create atmospheres throughout your home with up to three-zone audio distribution and a new quad-core SoC supporting 802.11ac (MIMO) Wi-Fi® for network multi-room audio, all with up to 5.2.4 channels of immersive 3D sound for movies and games.

Product Details


Video & Audio Support

  • Plays Dolby Atmos® and DTS:X® formats through 5.2.4-ch layouts
  • Dolby Atmos Height Virtualization*1 technology
  • Dolby Surround® and DTS® Neural:X upmixing technology
  • Supports 4K/60p/HDR (HDR10, HLG, Dolby Vision®, BT.2020), 4:4:4, HDCP 2.2
  • Zone 2 and Zone 3 speaker outputs with Zone 2 and Zone 3 DACs enable synced or independent D/A audio-source distribution (including HDMI/SPDIF*2)
  • Connect a hi-fi via Zone 2 pre-/line-out/Zone B line-out to share D/A audio*3 to either or both rooms, or connect a transmitter for wireless headphones
  • Built-in phono equalizer (MM) and SACD playback via HDMI® (2.8 MHz, 2-ch/multi)
  • AccuEQ Advance 9-point room calibration with subwoofer EQ and AccuReflex™
  • HDMI Sub/Zone 2 output shares media to a projector or second display
  • Easy DSP-based Vocal Enhancer clarifies in-program dialog

Amplification Technology

  • 175 W per channel (6 Ω, 1 kHz, 10%, 1 channel driven), 165 W per channel (6 Ω, 1 %, 1 kHz, 1 channel driven, IEC)
  • IMAX® Enhanced*1 certified for IMAX® digital remasters
  • Low-impedance amp system with 4-ohm speaker-driving capability
  • Massive custom transformer and hand-selected audio-tuned parts
  • Non-phase-shift amp-circuit topology for clear and cohesive sound
  • High-precision 384 kHz/32-bit D/A conversion (AKM AK4458)
  • VLSC™ (Vector Linear Shaping Circuitry) filtering technology (Front L/R)
  • Front L/R speaker bi-amping capability in 5.2/7.2/5.2.2-ch configuration

Network Features and Multi-Zone Audio

  • Quad-core SoC (System on a Chip) supports high-speed 802.11ac (2×2 MIMO)*4 Wi-Fi® specification
  • Supports Amazon Music, Spotify®, TIDAL, TuneIn, and Deezer*5
  • Works with Sonos certified for the Sonos Home Sound System*6
  • Chromecast built-in*7 and voice control with the Google Assistant*8
  • AirPlay 2 multi-room audio and voice control with Siri*9
  • DTS Play-Fi® multi-room audio via Integra Music Control App*10
  • FlareConnect™*11 multi-zone audio with compatible components
  • Supports Integra Remote control and music streaming app*10
  • Hi-Res Audio playback via network (DSD 11.2 MHz/5.6 MHz/2.8 MHz*12; FLAC, WAV [RIFF], AIFF, and ALAC to 192 kHz/24-bit*13)

Audio-Video Connections

  • 7 HDMI inputs (1 front), Main output (ARC), Sub/Zone 2 output
  • 2 digital audio inputs (1 optical and 1 gold-plated coaxial, assignable)
  • 7 gold-plated analog audio inputs (1 front)
  • Gold-plated phono input (MM) for turntable connection
  • USB input (5 V/1 A) for audio playback
  • 3.5 mm AccuEQ Advance setup mic input (front)
  • 3 gold-plated composite video inputs (1 front))
  • 1 gold-plated component video input (assignable)
  • 6.3 mm gold-plated headphone jack
  • 9 gold-plated speaker posts with transparent knobs
  • Gold-plated Zone 2 pre-/line-out, Zone B line-level output (analog RCA)
  • 2 subwoofer pre-outs
  • Bi-directional Ethernet LAN terminal supporting IP Control

Custom Integration Features

  • RS-232 input for external control and automation
  • 2 IR inputs and 1 output
  • Programmable 12 V trigger-outs with adjustable delay (A: 100 mA, B: 25 mA, C: 25 mA)
  • Dealer-settings memory storage and recall function
  • Thick detachable IEC power cable
  • Optional rack-mount kit (IRK-155-3D)

Additional Features

  • Aluminum faceplate and volume control
  • Stereo Assign Mode supports Height-channel playback
  • Volume memory-presets for A/V inputs via front panel
  • Bluetooth® Version 4.2 (Profile: A2DP v1.2, AVRCP v1.3)
  • Advanced Music Optimizer™ improves quality of compressed audio
  • High-definition GUI over HDMI featuring source input/output data display
  • Super Resolution 1080p to 4K video upscaling via HDMI
  • Independent tone controls for all channels (including Zone 2)
  • Sleep timer, HDMI passthrough, and network standby
  • 40 FM/AM/internet radio presets with station-naming (10 characters)
  • A/V Sync Control (Up to 500 ms in 1 ms Steps at 48 kHz)
  • Crossover Adjustment (40/45/50/55/60/70/80/90/100/110/120/130/150/180/200 Hz)
  • 3-Mode display dimmer (Normal/Dim/Dimmer)

*1 Enabled with a future firmware update. *2 Zone 2 HDMI audio is available on inputs 1–3. SPDIF and HDMI support PCM signals only. Zone 3 supports analog/NET/Bluetooth. Simultaneous playback of multiple audio sources is enabled in Main, Zone 2, and Zone 3. Output via Zone 2 speaker output and Zone 2/Zone B line-out enabled. *3 When set to Zone B, encoded and PCM audio playback for all inputs is enabled in Main and Zone B. *4 Some countries or regions have regulations that affect wireless signal strength and the use of Wi-Fi channels. *5 Service availability varies with region, and a paid subscription may be required to access some or all features. *6 Requires a Sonos Connect (sold separately). Sonos Music Control App is available free for iPhone, iPad, and Android™ devices. Please check device and OS requirements before download and installation. *7 The unit may automatically download and apply an Over-the-Air software update during setup. *8 Voice control requires a smart speaker featuring the Google Assistant. *9 Voice control with Siri requires an Apple HomePod. *10 Available free for iPhone, iPad, and Android devices. Please check device and OS requirements before download and installation. *11 FlareConnect is a proprietary network protocol that shares audio between compatible products. For details on product compatibility, please visit the Integra website. *12 Converted to PCM. Playback not guaranteed via wireless LAN. *13 Supported sampling rates may vary depending on network environment. ALAC is supported to a maximum 96 kHz.

Amplifier Section
Power Output all channels: 165 W/Ch at 6 Ω, 1 %, 1 kHz, 1 Channel Driven, IEC
Dynamic Power 240 W (3 Ω, Front)
210 W (4 Ω, Front)
120 W (8 Ω, Front)
Input Sensitivity and Impedance:

200 mV rms / 47 kΩ (Line / Unbalance)
3.5 mV rms / 47 kΩ (Phono MM)

THD+N (Total Harmonic Distortion + Noise) :

0.08% (20 Hz–20 kHz, Half Power)

Rated RCA Output Level and Impedance:

1 V rms/470 Ω (Subwoofer Pre-out)

200 mV rms/470 Ω (Zone 2 Pre-/Line-out/Zone B Line-out)

Phono Overload: 70 mV (MM 1 kHz, 0.5 %)

Frequency Response:

5 Hz–100 kHz/+1 dB, -3 dB (Direct Mode)

Tone Control: ±10 dB, 20 Hz (Bass)
±10 dB, 20 kHz (Treble)

Signal-to-Noise Ratio:

106 dB (IHF-A, LINE)
80 dB (IHF-A, PHONO)

Speaker Impedance:

4 Ω–16 Ω

Video Section

Signal Level

1 Vp-p/75 Ω Composite Video

1 Vp-p/75 Ω Component Video (Y)

0.7 Vp-p/75 Ω Component Video (Pb/Pr)

Tuner Section
Tuning Frequency Range: FM 87.5 MHz–108 MHz
AM 522 / 530 kHz–1,611 / 1,710 kHz
FM / AM Preset Memory: 40 stations
Power Supply:

AC 220–240 V, 50 / 60 Hz

Power Consumption: 750 W
Stand-by Power Consumption: 0.15 W
Dimensions (W x H x D): 435 x 174 x 376.5 mm
Weight: 10.6 kg
Dimensions (W x H x D):

560 x 305 x 467 mm

Weight: 13.5 kg

Firmware Update

Version R113-0304-1131-0026

Firmware Update Procedure

Firmware Update File in Zip Format

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