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WRAT (Wide Range Amplifier Technology): The Onkyo TX-8020
Stereo Receiver features WRAT technology that uses low-negative-feedback circuit
topology for accurate signal reproduction, improved dynamic signal-to-noise
ratio, and better delivery of power peaks. The Onkyo TX-8020's discrete stereo
amplifier is rated at 50W x 2ch (8Ω, 20-20kHz, 0.08% THD).
Tone Control: The Onkyo TX-8020 offers independent Bass
(+/-10dB @ 50Hz) & Treble (+/-10 @ 20kHz) control to fine-tune your music.
You can also balance your music from left to right.
Analog Audio Inputs/Output: The TX-80520 is equipped with six analog
audio inputs and one analog audio input. This receiver contains no digital
Phono Input: Included in the six analog audio inputs, is a
Phono (MM) input with ground terminal.
A & B Speaker Terminals: The Onkyo TX-8020 stereo receiver
is equipped with A & B speaker terminals to connect up to two pair of speakers.
The receiver uses binding post connectors for the A & B speaker outputs. The
binding posts are not 5-way because a plastic collar prevents their use with
spade lugs; they will accept bare wire, pin connectors, and single banana plugs
(spaced too far apart for dual bananas).
Note: If you're using only one of the speaker sets (A or B),
choose the 4Ω setting if each speaker's impedance is 4Ω to less than 6Ω, or
choose the 6Ω setting if each speaker's impedance is 6Ω or more. If you're
using both of the speaker sets (A & B), choose the 4Ω setting if each
speaker's impedance is 8 to 16Ω.
Subwoofer Pre-Out: The Onkyo TX-8020 stereo receiver is equipped with
a mono subwoofer preamp output to connect a powered subwoofer.
Headphone Jack: When headphones are plugged into the
full-size 1/4" jack on the front-panel, the A & B main speakers are
AM/FM Tuner: The Onkyo TX-8020 stereo receiver features a
built-in AM/FM tuner with manual, seek, and preset tuning. You can store your
favorite stations as presets for quick selection. You can store a combination of
up to 40 of your favorite FM/AM radio stations as presets. You can then label
each preset with a 10 character name. The TX-8020 also lets you directly tune in
AM/FM stations using its remote control.
IR Remote w/ RI Remote Control Jack: The included IR remote control operates this unit
& compatible Onkyo cassette players and CD players. The 1/8" RI remote control jack
allows you to connect this receiver to compatible Onkyo components.
Display Dimmer: The display brightness has three settings;
Dim, Dimmer, and Normal.
Sleep Timer: From the remote, you can set the unit to
automatically turn off after as much as 90 minutes or as little as 10 minutes;
choices are presented in 10 minute increments.
Auto Standby: The stereo receiver will automatically go into Standby
mode, if there is no operation for 30 minutes with no audio/video signal input.
iPod/iPhone/iPad Dock (optional): The Onkyo DS-A5 Apple
30-pin dock with AirPlay (580DSA5,
sold separately) allows playback of your iPod, iPhone, or iPad through the Onkyo
stereo receiver. The DS-A5 is fitted with a 30-pin Apple dock and offers AirPlay
wireless technology. The DS-A5 connects to your home audio system via analog
(RCA) or digital (optical) output. In addition, a composite video output enables
movie and photo playback from your compatible Apple device on your connected TV.
It even offers Onkyo's RI connection to allow control from the Onkyo receiver's
- AirPlay Wireless Technology: The DS-A5 is equipped with
an Ethernet (RJ-45) port and built-in WiFi (802.11b/g), so that you can
enjoy music wirelessly from your Apple iOS device (4.3.3+) and iTunes
library (10.2.2+) by using AirPlay technology. AirPlay lets you connect your
iPod touch, iPhone, and iPad with no wires, cable, or clutter. In addition
to streaming audio from your portable iOS device over your home network, you
can also wirelessly play tracks from your PC or Mac-based iTunes library.
Apple's free Remote app to stream your entire iTunes library from your
compatible Apple AirPlay-enabled device to the Onkyo stereo receiver. The
DS-A5 and your Apple iOS device or Windows/Mac computer must be connected to
the same home network.
- 30-pin Apple Dock: The Onkyo DS-A5 features an Apple
30-pin connector to dock your iPod, iPhone, or iPad. The DS-A5 supports
audio/video playback, remote control, and charging of your compatible Apple
device. You can playback music and video files stored on your Apple device,
or music and video apps downloaded on your Apple iOS device. The Onkyo DS-A5
will also charge your iPod/iPhone/iPad's battery through is 30-pin dock
connector. You will continue to view song/artist information and album art
from your Apple device's LCD screen. If you have an iPod nano (7th gen),
iPod touch (5th gen), iPhone 5/5C/5S, iPad (4th gen), or iPad mini; the
Apple Lightning to 30-pin
cable is required (both sold separately).
here for an iPod/iPhone/iPad compatibility chart and further details.