Acesonic AM-828 500-Watt Karaoke Mixing Amplifier with USB, BBE and Vocal Elimination Open BoxAcesonic AM-828 500-Watt Karaoke Mixing Amplifier with USB, BBE and Vocal Elimination Open Box

Acesonic AM-828 500-Watt Karaoke Mixing Amplifier with USB, BBE and Vocal Elimination <font color="ff0000"><b>Open Box</b></font>
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Acesonic AM-828 is a powerful karaoke amplifier with built-in USB interface for both playback and recording.

The Acesonic AM-828 Professional Karaoke Mixing Amplifier can receive a digital signal from and to your PC using USB 2.0 interface, which means no loss of quality, no static and most importantly no interference when outputting to your speaker system. You can also record clear digital audio signal back to your PC with your live performance.

Aside from the USB interface, you'll be able to connect 3 more A/V sources including one front A/V input for convenient setup. To make things a little easier, there is an auto selector built-in so whatever you're playing, this amplifier will be sure to select the right source. This machine will be sure to treat your music right with 500 Watts (250W per channel) of smooth, low-distortion sound!

For the ultimate karaoke experience, all the bells and whistles have been built-in. You'll be able to change the key +/- 7 steps, and tweak all microphone aspects. You'll have full control over microphone delay, echo, repeat, treble and bass as well as be able to control all 3 microphone's volume individually. If you use multiplex discs, you'll be happy to know that you'll be able to switch to left channel, or right channel output only if you only want to remove vocals from multiplex discs. Vocal partner is also built-in which will play the vocals from your disc, but will remove the vocals when singing is detected through the microphone inputs or you can remove the vocals altogether using the vocal cancel feature.

You'll also be able to adjust the music's balance, treble, and bass. For even better sound quality, the BBE feature can be toggled on and off. BBE refers to the BBE company's patented Sonic Maximizer technology. BBE is designed to eliminate undesirable phase shifting between high and low frequencies, increasing sound clarity. It also boosts the very high and low frequencies for added richness in sound.

Exclusive Features:

  • PC to USB Interface for pure-digital simultaneous Playback and Recording
  • 2 Component Video Inputs and 2 Component Video Output for HD Video Signal
  • 115/230 Voltage for Worldwide Compatible
  • Built-in BBE Sonic Maximizer for both vocal and music
  • True Vocal Cancellation Function to remove up to 90% of lead vocal on any audio track
  • Headphone Output
  • Convenient Front Audio/Video Input for your IPod, Camcorder or MP3 Player
  • 6 Microphone Inputs: 3 Front/3 Rear
  • Temperature-Active, Ultra-Low-Noise Fan for non-stop operation
  • 2 Sets of Audio/Video Output Signal + USB to PC Recording Output


  • Total 4 Audio/Video Inputs: DVD/AUX/USB/BGM
  • PC Audio/Video Input
  • Auto Input Selector
  • L/R/Multiplex Channel Output
  • Vocal Cancel/Vocal Partner
  • Music Bass, Treble, Balance Controls
  • Microphone Delay, Echo, Repeat, Treble, Bass Controls
  • 3 Individual Microphone Volume Control
  • 6 Microphone Inputs
  • Microphone and Music Master Control
  • 2x S-Video Input/Output
  • 2x RCA Input/Ouput
  • 2x Component Video Input
  • 2x Component Video Output


  • Integrated USB Audio Solution using C-Media CM106 Audio I/O Controller
  • Maximum Output: 250W + 250W @ 8 Ohms Max
  • RMS Output: 110W + 110W @ 8 Ohms RMS
  • Microphone Input Sensitivity: 10mV / 680 Ohm / 1kHz
  • Music Input Sensitivity: 250mV / 47K Ohms / 1kHz
  • Microphone Frequency Response: 20hZ - 20 kHz / 3dB
  • Music Frequency Response: 20hZ - 20 kHz / 3dB
  • Microphone EQ characteristics: Treble: +/- 10dB (10kHz), Bass: +/- 10dB (100Hz)
  • Music EQ characteristics: Treble: +/- 10dB (10kHz), Bass: +/- 10dB (100Hz)
  • Key Control Range +/- 6 Half Tones
  • Speaker Wattage Impedance: 6 Ohm - 8 Ohm
  • Voltage: AC 115V - 230V Manual Select
  • Dimensions: 17"(W) x 5"(H) x 14"(D)
  • Weight: 28.4 lbs.
  • Designed in U.S.A.
  • Does not come with Remote Controller

Acesonic AM-828 (PDF, 2.6MB) (Right click, save as...)
Click here to download the instruction manual
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