DRX-4.3 9.2-Channel Network A/V Receiver


Get Together for a Gold-Class Film Experience
With more distortion-free power, IMAX® Enhanced* certification for IMAX® remastered movies, and Dolby Atmos® or DTS:X® surround-sound reproduction through 5.2.4 channels, the Integra DRX-4.3 opens the door to gold-class home cinema complete with powered or wireless audio distribution to your favorite rooms. * Enabled with a future firmware update.

Product Details


Video & Audio Support

  • 9-ch amp supports 5.2.4, 7.2.2, or 7.2.4*1 Dolby Atmos® and DTS:X® playback
  • IMAX® Enhanced*2 certified for IMAX® digital remasters
  • Dolby Atmos Height Virtualization*2 technology
  • Dolby Surround® and DTS® Neural:X upmixing technology
  • 4K/60p, HDR (HDR10, HLG, Dolby Vision™), BT.2020, and 4:4:4/24-bit video passthrough with HDCP 2.2
  • 11.2-channel pre-outs and DSP processing for 7.2.4-ch*1 layouts
  • Separate switching Zone 2 outputs and assignable Zone 3 outputs with DACs for unique or synced D/A source distribution (including HDMI/SPDIF*3)
  • Zone 2 pre-/line-out/Zone B line-out shares unique/synced D/A audio*4 in both rooms or connect a compatible wireless headphone transmitter
  • Built-in phono equalizer (MM) and SACD playback via HDMI® (2.8 MHz/2-ch/multi)
  • AccuEQ Advance 9-point 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

  • 185 W per channel (6 Ω, 1 kHz, 10%, 1 channel driven) 175 W per channel (6 Ω, 1 kHz, 1%, 1 channel driven, IEC)
  • THX® Certified Select™ for Cinema Reference Sound
  • Low-impedance amp system with 4-ohm speaker-driving capability
  • Massive custom transformer and customized 10,000 μF capacitors
  • Thick copper bus-bar connects capacitors to amplifiers
  • Hand-selected audio-tuned parts on separated digital/analog circuit boards
  • Extruded anti-resonant aluminum heat-sink
  • Non-phase-shift amp-circuit topology with 10 Hz–100 kHz frequency response
  • High-performance 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
  • Independent tone controls for all channels (including Zone 2)

Network Features and Multi-Zone Audio

  • Quad-core SoC (System on a Chip) supports 802.11ac 2×2 MIMO*5 Wi-Fi®
  • Supports Amazon Music, Spotify®, TIDAL, TuneIn, and Deezer*6
  • Works with Sonos certified for the Sonos Home Sound System*7
  • Chromecast built-in*8 and voice control with the Google Assistant*9
  • AirPlay 2 multi-room audio and voice control with Siri*10
  • DTS Play-Fi® multi-room audio via Integra Music Control App*11
  • FlareConnect™*12 multi-zone audio with compatible components
  • Supports Integra Remote control and music streaming app*11
  • Hi-Res Audio playback via network (DSD 11.2 MHz/5.6 MHz/2.8 MHz*13; FLAC, WAV [RIFF], AIFF, and ALAC to 192 kHz/24-bit*14)

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 (rear)
  • 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
  • 11 transparent gold speaker posts (including Zone 2)
  • 11.2-channel pre-outs (including Zone 3 pre-/line-out)
  • Gold-plated Zone 2/Zone B line-level output (analog RCA)
  • 2 subwoofer pre-outs

Custom Integration Features

  • Bi-directional Ethernet LAN for IP control and dealer setup
  • RS-232 serial port 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
  • OSD output function for installers
  • Thick detachable IEC power cable
  • Optional rack-mount kit (IRK-155-3D)

Additional Features

  • Aluminum front panel 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
  • Volume memory-presets for A/V inputs via front panel
  • 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 Requires connection of an external power amp via multichannel pre-outs. *2 Enabled with a future firmware update. *3 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 outputs and Zone 2/Zone B line-out is enabled. *4 When set to Zone B, the same encoded or PCM audio playback in Main is enabled in Zone B. *5 Some countries or regions have regulations that affect wireless signal strength and the use of Wi-Fi channels. *6 Service availability varies with region, and a paid subscription may be required to access some or all features. *7 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. *8 The unit may automatically download and apply an Over-the-Air software update during setup. *9 Voice control requires a smart speaker featuring the Google Assistant. *10 Voice control with Siri requires an Apple HomePod. *11 Available free for iPhone, iPad, and Android devices. Please check device and OS requirements before download and installation. *12 FlareConnect is a proprietary network protocol that shares audio between compatible products. For details on product compatibility, please visit the Integra website. *13 Converted to PCM. Playback not guaranteed via wireless LAN. *14 Supported sampling rates may vary depending on network environment. ALAC is supported to a maximum 96 kHz.

Amplifier Section
Power Output all channels:

175 W/Ch at 6 Ω, 1%, 1 kHz, 1 Channel Driven, IEC

Dynamic Power

250 W (3 Ω, Front)
220 W (4 Ω, Front)
130 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:

10 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: 760 W
Stand-by Power Consumption: 0.15 W
Dimensions (W x H x D): 435 x 174 x 376.5 mm
Weight: 11.2 kg
Dimensions (W x H x D):

560 x 305 x 467 mm

Weight: 14.0 kg

Firmware Update

Version R113-0304-1131-0026

Firmware Update Procedure

Firmware Update File in Zip Format

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