# Channels	5.1
Power Watts/Ch (6 Ohms 1kHz, 1 Channel Driven, FTC)	140, 1.0% THD
Power Watts/Ch (8 Ohms 20-20kHz, 2 Channels Driven, FTC)	80, 0.08% THD
Dynamic Audio Amplification	-
H.C.P.S. (High Current Power Supply)	-
Non-Phase Shift Amplifier	-
THX Certified	-
Continuous 6 Ohms Rated	-
Certified 4 Ohms Performance	-
Discrete Output Stage Circuitry	✓
3-Stage Inverted Darlington Circuitry	-
PUSH-PULL Design	-
Independent Block Construction (Amp/Preprocessor)	-
High-Grade Toroidal Transformer	-
Independent Power Supply	-
Bi-amp Capability For Front	-

Dolby Atmos	-
32-Bit Digital Signal Processing Engine	-
Dolby Decoder	True HD
DTS:X	-
DTS Decoder	DTS-HD Master Audio
ONKYO GAME Surround Modes	-
VLSC for Noiseless Audio Processing	-
THX Processing Mode	-
CinemaFILTER	-
AccuEQ Room Calibration	✓
Phase-Matching Bass Boost	-
Direct/Pure Mode	✓/-
Pure Direct Analog Path Mode	-
Advanced Music Optimizer	✓
384K/32 Bit DACs	-
192K/24 Bit DACs	✓

Analog Audio IN	3
Phono Input	-
Digital Audio IN (OPT/COAX)	1 / 1
Composite Video I/O	2 / 1
Component Video I/O	-
Front Panel HDMI	-
Front-Panel A/V	-
USB Input	✓ (Front)
HDMI I/O	4 / 1
HDMI 4K/60 Hz- Capable HDMI Terminals	✓
HDCP 2.2 Copy-Protection Compatibility	✓
HDMI Support for High Dynamic Range	✓
HDMI Support for 3D, Audio Return Channel and CEC	✓
BT.2020 Support	✓
HDMI Support for Deep Color, x.v,Color, LipSync	✓
HDMI Support for DVD-Audio, SACD, Multichannel PCM	✓
Analog To HDMI Upconversion	-
1080p to 4K Upscaling	-
4K Passthrough	✓
Analog Pre-Outs	Subwoofer
Speaker A/+B	-
Powered Zone 2	-
Powered Zone 3	-
Zone 2 Line Out	-
Zone 2 Video Out	-
Zone 2 Digital to Analog Audio Conversion	-
Zone 3 Line Out	-
Whole House Mode	-
FireConnect Multi-room Audio	-
Airplay	-
Google Cast	-
Supports Onkyo Remote App	-
Internet Radio Capable	-
Spotify Connect Support	-
Tidal	-
Streaming Audio From PC / Network	-
Hi-Res Streaming Audio Formats	-
Streaming Audio From USB memory	✓
Wireless Network	-
Bluetooth	✓(Built-in)

RS-232	-
IR Input	-
IR Output	-
Ethernet	-
ONKYO-RI System Control	-
RIHD (Remote Interactive Over HDMI)	-
12V Trigger	-

Pre-Pro/Learning Remote	-/-
On Screen Remote Programming	-
Hybrid Standby Function	-
Smart Grid-Ready	-
Auto Speaker Calibration W/Mic.	AccuEQ
OSD Out	-
Solid Aluminum Front	-
Transparent High-Grade Speaker Terminals	-
Detachable AC Cord	-
Warranty	2 YEARS

Download the Product Manual for TX-SR353 here: Quickstart Guide - English/Spanish/French .