Onkyo TX-L20D
Onkyo TX-L20D
Onkyo TX-L20D

Onkyo TX-L20D: Classic receiver with streamer functions

The Onkyo TX-L20D is a two-channel receiver with streamer functions, made in a strict slim design, comparable to the form factor of some Blu-ray players. The model supports wireless audio transmission using the Google Cast service (available with new software), AirPlay function, Bluetooth module and Wi-Fi connection.

There is built-in support for online streaming services TIDAL, Deezer, Spotify and TuneIn. The stereo receiver easily connects to a local network using a LAN interface or via WLAN, and playback of Hi-Res formats, including DSD up to 5.6 MHz, becomes available. FireConnect technology is supported, which makes it possible to send any audio signal wirelessly to speakers that support this function, which is very convenient for multi-room installations.

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You can control the receiver via the Onkyo Controller app from iOS or Android devices. To listen to the radio there is an FM receiver and a DAB/DAB+ digital tuner. The device is equipped with an amplifier with a power of 85 W per channel (4 Ohms) and uses Phase Matching Bass technology for phase-matched bass reproduction. There is a 32-bit CIRRUS signal processor on board the receiver. There are separate DSP modes for movies, games and music. Pure Audio mode is supported for high-quality audio playback.

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The Onkyo TX-L20D model is equipped with four latest-generation HDMI inputs that work with 4K resolution, are “friendly” with the 4K content protection protocol HDCP 2.2, support 4:4:4 color space, HDR and the CEC control protocol. The output has a similar port with an audio return channel function. The receiver can upscale 1080p video to 4K. HDMI also supports SACD playback (up to 5.6 MHz). There are two RCA line inputs, MM phono connectors and digital inputs (coaxial and optical). There is a subwoofer output and a pair of screw terminals for speakers.


The central part of the front panel is occupied by a single-line FL display. The volume knob and two buttons for searching/tuning radio programs are on the right side of the panel. On the left there is a power/standby key, a USB port for external drives (supports Hi-Res formats, including DSD 5.6 MHz), a mini-jack for headphones and source selector buttons. The receiver is equipped with a remote control and is a convenient modern device for listening to movie soundtracks and high-quality audio playback using wired or wireless signal transmission.

Onkyo TX-L20D Specifications

Output power 2 x 85 W (4 ohms, 1 kHz, 1% THD, IEC)
Harmonic distortion 1% (nominal power)
Input sensitivity/impedance 200 mV/47 kOhm (line input), 6 mV/47 kOhm (MM phono input)
Nominal output sensitivity/impedance 1 V/470 Ohm (subwoofer output) Frequency
response 10 Hz – 40 kHz (+ 1 dB, – 3 dB, DSP bypass mode) HF
tones: ± 10 dB (7 .5 kHz), LF: ± 10 dB (90 Hz)
Signal-to-noise ratio 80 dB (line input), 70 dB (MM phono stage input) Speaker
impedance 4–8 Ohm
Digital tuner DAB/DAB+
FM tuner yes
Number of presets radio stations 40
Supported decoders (main) Dolby Digital Plus, Dolby Surround, DTS-HD Master Audio, DTS High Resolution, DTS 96/24, DTS-HD Express, DVD-Audio, Super Audio CD, multi-channel PCM DSP 32-bit
Music Optimizer function MP3 file enhancer
Upscaler 1080p upscaling to 4K
Supported streaming audio file formats (local network and USB) MP3, WMA, WAV (24 bit/192 kHz), AIFF (24 bit/192 kHz), AAC, FLAC ( 24bit/192kHz), Apple Lossless (24bit/192kHz), DSD (2.8/5.6MHz), LPCM, Dolby TrueHD
Wi-Fi support IEEE 802.11 a/b/g/n, 2.4 /5 GHz
Bluetooth support version 4.1 + LE (A2DP 1.2/AVRCP 1.4 profiles)
AirPlay support yes
Google Cast support (an official extension for Google Chrome, provides interaction with the Chromecast digital streaming media player) yes
Control via the Onkyo app for iOS and Android devices yes
Pure Audio mode for pure audio playback yes
Supported Internet services TIDAL, Deezer, Spotify, TuneIn
FireConnect technology for wireless multiroom installation yes
Bass boost function yes
Inputs 4 x HDMI (4K/60 Hz, 3D, HDCP 2.2, HDR, 4: 4:4 Color Space, BT.2020, CEC), 2 linear RCA, MM phono input (RCA), coaxial, optical, USB port for external drives (can charge the battery of connected devices), Ethernet port (LAN)
Outputs 1 x HDMI (4K/60 Hz, 3D, HDCP 2.2, HDR, 4:4:4 Color Space, BT.2020, CEC, ARC), Pre Out (RCA) for subwoofer, 3.5 mm headphone jack
Other connections 2 Wi-Fi/Bluetooth antenna jacks, FM/DAB antenna jack,
Wi-Fi/Bluetooth antenna ground terminal 2 pcs.
Signal pass-through via HDMI in standby mode yes
Speaker output 2 pairs of screw terminals
Power consumption 55 W, in standby mode: 0.38 W
Remote control RC-934R
Dimensions (WxHxD) 435x70x332 mm
Weight 4 kg

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