Donner Bluetooth 5.0 Stereo Audio Amplifier Receiver, 4 Channel 440W Peak Power Home Theater Stereo Receiver with USB, SD, FM, 2 Mic in Echo, RCA, LED, Speaker Selector for Studio, Home - MAMP5
Multiple Input Modes: In ad
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Detail1Multi-room system2Karaoke party3Supermarket use
A professional integrated indoor stereo receiver is designed as an independent 4-channel output, and the maximum load power can reach 440W.
Bluetooth range up to 40Ft/ 10M.
Please switch to bluetooth mode first and the bluetooth control distance is at an accessible distance.
Please select the correct Channel to ensure speaker operation.
Remote control can remotely control the volume of BT/MP3/USB/SD/FM.
2 microphone interfaces increase the entertainment of the AMP.
Microphone volume and Echo adjustment increase the fun of singing karaoke.
Terminating Impedance4 Ohm - 8 OhmPeak Power440 Watts RMS Power25 WattsRMS per channel, ensure your speakers match the amplifier's RMS outputWorking Rated Power120V * 6A =720WFrequency Range20Hz - 20kHz (±1 dB)AC100-120V / 60HzTHD< 1%SNR83dBChannel4.0 CH A+B Left channel/ C+D Right channelController TypeRemote Control (Note: Turning off the amplifier via the remote does not cut off the power supply. Please disconnect the power supply via the on/off button on the machine after using to avoid humming noise)Connectivity TechnologyRCA, Bluetooth, USBCompatible DevicesSmartphone, Tablet, Laptop, ComputerSpecial Features4 Channel, 2 Microphone Inputs, Bass, Treble, Source Volume Adjustable, FM RadioDimensions13.78 x 8.27 x 3.54 inchesWhy is the sound so low when connected to a phonograph?
Our product lacks a PHONO input. To connect a phonograph, you’ll need an external preamp (not included). Direct RCA connection is not recommended.
Why are the volume and sound quality not as good as expected?
1. Speaker Connection: Ensure your speakers match the amplifier's output. 25W RMS per channel.
2. Phonograph Connection: A separate preamp (not included) is required for proper volume when connecting a turntable. RCA connection is not recommended.
Bluetooth is hard to set up and the remote doesn't control volume.
1. Bluetooth needs to select "bluetooth mode" before connecting.
2. The remote control only supports the volume of FM, Bluetooth, and MP3 modes. It does not support CD/DVD mode.
Unable to connect to antenna to listen to radio.
To use the FM feature, simply select FM mode—no antenna is needed. However, an adapter (not included) is required if you choose to connect an antenna.
Product stopped working.
1. The product is connected to a power source（AC：100-120V / 60Hz）
2. Prevent product overload（If you connect 8 speakers with low impedance and high power, and turn up the volume very high, the product may be damaged.）
4 Channel 440W Peak Power
Bluetooth 5.0
Input Selector
Mic Volume & Echo Adjustment
SPECIFICATIONS
Why is the sound so low when connected to a phonograph?
Why are the volume and sound quality not as good as expected?
Bluetooth is hard to set up and the remote doesn't control volume.
Unable to connect to antenna to listen to radio.
Product stopped working.
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