TX-8390 Network Stereo Receiver

200 W/Ch (6 Ω, 1 kHz, 10% THD, 2 channels driven), 180 W/Ch (6 Ω, 1 kHz, 1% THD, 2 channels driven, IEC)

Customized High-Current Low-Noise Power Transformer

Custom 10,000 μF high-current smoothing capacitors

Non-phase-shift amp topology with discrete output stage

Dual output transistors on each channel support high current delivery

Anti-resonant extruded aluminum heat-sink with black alumite coating

Large HDMI grounds and short signal-paths reduce noise

AKM (AK4458) DAC supports 384 kHz/32-bit D/A conversion

VLSC™ (Vector Linear Shaping Circuitry) noise-filtering

PLL (Phase Locked Loop) anti-jitter technology for SPDIF audio

Pure Audio Mode for flawless analog sound

Supports HDCP 2.3, 4K/60p, HDR (Dolby Vision™, HDR10, HLG), BT.2020, 4:4:4/24-bit, 3D Video, ARC (Audio Return Channel), DeepColor™, x.v.Color, and LipSync via HDMI pass-through

1080p to 4K Super Resolution upscaling via HDMI

Supports Hi-Res Audio formats including MQA*5; DSD256, DSD128, DSD64 (DSD converted to 176.4 kHz/24-bit PCM); FLAC, WAV [RIFF], AIFF to 192 kHz/24-bit; and ALAC to 96 kHz/24-bit*6

Supports multi-room streaming, internet streaming services, and Onkyo Controller*7 remote streaming app

Works with Alexa (future firmware update required)

Works with Sonos for the Sonos Home Sound System*8

Chromecast built-in and voice control*9 with the Google Assistant

AirPlay 2 multi-room audio and voice control*10 with Siri

DTS Play-Fi multi-room audio via Onkyo Music Control App*7

Quad-core SoC supports multiple processing functions including 802.11ac (2x2 MIMO) 5 GHz/2.4 GHz Wi-Fi

6 HDMI inputs and 2 outputs (Main [ARC], Sub/Zone 2)

3 digital audio inputs (2 optical and 1 coaxial, assignable)

4 analog RCA inputs (assignable)

Phono input with built-in MM equalizer for turntable connection

3.5 mm setup mic input for AccuEQ Stereo (front)

6.35 mm headphone jack (front)

Front L/R pre-out (analog RCA, shared with Zone 2 line-out)

Zone 2 line-level output (analog RCA)

2 subwoofer pre-outs

4 transparent gold speaker-posts (Speaker A+B)

Bi-directional Ethernet LAN terminal for IP control

1 front USB input (no power on standby) for audio playback

1 rear USB input (5 V/1 A including in Network Standby)

IR (infrared) input/output for remote-control extenders

RI (Remote Interactive) terminal for integrated control

AC socket for detachable IEC power cord

Bi-wire compatible loudspeakers for pristine mids and highs

5 mm-thick extruded aluminum front panel

Aluminum volume and tone controls, balance, My Input, input selector, and cursor key

My Input selector saves four input presets with listening mode, tone/balance, and volume

FM/RDS and DAB+ tuners with 40-station memory presets

GUI with OSD includes transparent A/V input/output information overlay to check playback conditions without program interruption

Sub/Zone 2 HDMI output with modes supporting simultaneous distribution of the same or different video sources*11

A/B or A+B Speaker Drive plays an audio source through either or both pairs of connected speakers (8–16 Ω speakers required for A+B drive)

AccuEQ Stereo with Subwoofer EQ

Bluetooth® Ver. 4.2 wireless technology (SBC/AAC)

Advanced Music Optimizer improves playback quality of compressed audio files

Zone 2 line-out with Zone 2 DAC connects compatible audio systems for synced/independent D/A playback (including HDMI/SPDIF)*12 in Main and Zone 2

A/V Sync Control (up to 500 ms in 5 ms steps at 48 kHz)

IP web browser control, support for AMX® and Control4® home automation

3-Mode display dimmer (Normal/Dim/Dimmer)

Chic new slimline Simple Remote Control