Skip to content
Apply Promo Code: MASSAGECHAIR10 to Enjoy 10% Off on All Massage Chairs
Apply Promo Code: MASSAGECHAIR10 to Enjoy 10% Off on All Massage Chairs

Onkyo TX-SR343 5.1-Channel AV Receiver

Save 1% Save 1%
Original price $593.00
Original price $593.00 - Original price $593.00
Original price $593.00
Current price $587.05
$587.05 - $587.05
Current price $587.05
  • 65W Per Channel at 8 Ohms
  • Bluetooth Wireless Audio Streaming
  • 4K Video Pass-Through via HDMI
  • Discrete Amplifier Design
  • Advanced Music Optimizer
  • 4 x HDMI-In / 1 x HDMI-Out
  • Powered USB Port for Media Players
  • Hi-Resolution Audio Support


Product Selection


Contact Information


Review Information

Onkyo TX-SR343 5.1-Channel AV Receiver

Enter the details below to request your custom quote in just a few minutes

Our Customers & Partners


TheOnkyo TX-SR343 5.1-Channel AV Receiverallows you to enjoy multi-channel sound and high-resolution video switching. This receiver features Onkyo's WRAT amplifier technology and delivers up to 65W per channel at 8 ohms for robust audio playback. Built-in Bluetooth 2.1 connectivity allows you to wirelessly stream music from compatible audio sources, such as computers, MP3 players, smartphones, and tablets.

The Onkyo TX-SR343 has four HDMI inputs for interfacing audio and video sources, and the pass-through of 3D and 4K video sources. You can connect this receiver to your external display thanks to its HDMI output with Audio Return Channel (ARC) support. Built-in high-resolution audio support allows you to take advantage of dynamic surround sound formats like DTS-HD Master Audio and Dolby TrueHD.

Discrete Amplifier Design
Discrete amplifiers deliver high instantaneous current to increase speaker control for accurate and dynamic audio reproduction.
HDMI Video Up-Conversion
Every video signal is converted and sent to your TV through one HDMI cable.
Powered USB Output
The rear USB output is designed to power external devices, such as streaming media players.
Advanced Features
  • 4K/60 Hz-capable with HDCP 2.2 support
  • Bluetooth version 2.1 + EDR capability (compatible profile: A2DP v1.2, AVRCP v1.3)
  • Analog video upconversion to HDMI
  • Advanced Music Optimizer to improve the sound quality of compressed digital audio files (Bluetooth audio included)
  • Phase-matching bass boost for deep bass and clear mid-range
  • WRAT (Wide Range Amplifier Technology)
  • H.C.P.S. (High Current Power Supply) massive high-power transformer
  • Discrete output stage circuitry
  • PLL (Phase Locked Loop) jitter-cleaning circuit technology for S/PDIF audio
  • HDMI for 4K/60 Hz Video, 3D, Audio Return Channel, Deep Color, x.v.Color, Lip Sync, Dolby Atmos, Dolby TrueHD, DTS-HD Master Audio, DVD-Audio, Super Audio CD, Multichannel PCM, and CEC
  • TI Burr-Brown 192 kHz/24-bit digital-to-analog converters for all channels
  • Advanced 32-bit digital signal processing chip
  • 4 DSP Modes for Gaming: Rock, Sports, Action, and RPG
  • Theater-dimensional virtual surround function
  • Direct mode
  • Double bass function
  • Non-scaling configuration
  • A-form listening mode memory
  • Cinema Filter
Additional Features
  • Easy connection guide on rear panel
  • Overlaid on-screen display (OSD) via HDMI with quick set-up
  • Independent crossover adjustment for each channel (40, 50, 60, 70, 80, 90, 100, 120, 150, 200 Hz)
  • A/V sync control (up to 500 ms at 48 kHz)
  • Tone control (bass/treble) for front left/right channels
  • 3-mode display dimmer (normal/dim/dimmer)
  • 40 FM/AM random presets
  • RIHD (Remote Interactive Over HDMI) for system control
  • Full-function RI (Remote Interactive) remote control

Item Includes

Onkyo TX-SR343 5.1-Channel AV Receiver
  • Indoor FM Antenna
  • AM Loop Antenna
  • Remote Control
  • 2 x AA Batteries
  • Limited 2-Year Warranty


Power OutputAll Channels
110 W per channel (6 ohms, 1 kHz, 0.9% THD, 1-channel driven, FTC)
65 W per channel (8 ohms, 20 Hz - 20 kHz, 0.7% THD, 2-channels driven, FTC)
Dynamic Power per Channel160 W (3 ohms, front)
125 W (4 ohms, front)
85 W (8 ohms, front)
THD & Noise0.08 % (20 Hz - 20 kHz, half power)
Damping Factor>40 (front, 1 kHz, 8 ohms)
Input Sensitivity and Impedance200 mV / 47 k-ohms (line)
RCA Output Level and Impedance1 V / 470 ohms (subwoofer pre-out)
Frequency Response10 Hz - 100 kHz / +1 dB, -3 dB (direct mode)
Tone Control+/- 10 dB, 20 Hz (bass)
+/- 10 dB, 20 kHz (treble)
Signal-to-Noise Ratio100 dB (line, IHF-A)
Speaker Impedance6 - 16 ohms
Crossover AdjustmentEach Channel: 40, 50, 60, 70, 80, 90, 100, 120, 150, 200 Hz
Input Sensitivity/Output Level and Impedance1.0 Vp-p / 75 ohms (component Y)
0.7 Vp-p / 75 ohms (component PB/CB, PR/CR)
1.0 Vp-p / 75 ohms (composite)
Component Video Frequency Response5 Hz - 13.5 MHz / +0 dB, -3 dB
3D SupportYes
Deep Color / x.v. Color SupportYes
FM Stereo
Tuning Frequency RangeFM: 87.5 MHz - 107.9 MHz
AM: 530 kHz - 1,710 kHz
FM/AM Preset Memory40 stations
BluetoothVersion: 2.1 + EDR
Audio Return Channel (ARC)Yes
Inputs4 x HDMI
2 x Component Video
3 x Composite Video (1 front)
1 x Digital Coaxial
2 x Digital Optical
7 x Stereo RCA (1 front)
Outputs1 x HDMI
1 x USB (5 V, 1 A, power only)
1 x Subwoofer Pre-out
1 x Headphone (front)
Other Interfaces1 x AM Antenna
1 x FM Antenna
1 x RI Remote Control
Speaker ConnectorsCenter
Front Left
Front Right
Surround Left
Surround Right
Power Consumption3.8 A
No Sound: 50 W
Standby: 0.15 W
Power Requirements120 VAC, 60 Hz
Dimensions (WxHxD)17.1 x 6.3 x 12.9" / 435.0 x 160.0 x 328.0 mm
Weight17.2 lb / 7.8 kg
Packaging Info
Package Weight21.95 lb
Box Dimensions (LxWxH)20.8 x 16.3 x 10.1"