Feature 1HIGH POWER: Power amplifier at a maximum power of 20Wx2 to obtain excellent amplified sound. Ideal for karaoke, home, car, theater sound surround sound system. 2BLUETOOTH CONNECTIVITY: Bluetooth stereo amplifier receiver is Bluetooth compatible with a wireless range of 40 feet or more without the hassle of receiver pairing. 3FRONT CONTROL PANEL: Car power amplifier has front panel buttons and rotary control center. Compatible with smartphones, tablets, for iPhone and laptops. 4VOLTAGE AND CURRENT: Power supply requires 12V, current 25A, independent adjustment of treble and bass. 5APPLICABLE SPEAKERS: Stereo power amplifier can be connected to 416 speakers, with clear sound and lossless music playback, suitable for car and home.Item Type:MiniPowerAmplifier .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Material:AluminumAlloyUDiskOrMemoryCardPlaybackFormat:SupportMP3Format,LosslessFormatMusicPE,FLAC,WAVUDiskOrMemoryCard:MaximumSupport128G(notIncluded)RadioFrequencyBand:FM87.5108MhzOutputChannel:2.0BluetoothVersion:BluetoothV5.0OutputPower:20Wx2SpeakerImpedance:416FrequencyResponse:20Hzto20KHzMinimumTHD:<0.4%SNR:>85dBIinputSensitivity:220mVIntputImpedance:47KohmRemoteControlBattery:1 xCR2025CoinCell(included)RemoteControlBatteryCapacity:240mAhVoltage:100240VPackage List1 x PowerAmplifier1 x PowerAdapter1 x InstructionManual1 x RemoteControl