This compact powerful stereo amplifier is characterized by great fidelity and is equipped with Bluetooth connection, FM radio, MP3 player, and karaoke function. Ideal for use as a small home amplifier or receiver. - In addition to 2 stereo inputs on the back of the amplifier front USB / SD slots for direct playback of MP3 files, an AUX jack and 2 front microphone hookups for karaoke! Characteristics:Digital class D stereo amplifier, suitable for hi-fi, home theater systems and karaoke - Bluetooth interface for streaming music from mobile phone - USB / SD slot to play MP3 from the memory stick or card - FM radio with connection for an antenna - Push buttons for operating the MP3 functions - Karaoke capable with 2 microphone jacks and echo effect - Separate volume, tone and echo controls for the microphones - Controls for low and highs - Clear, big controls2 rear stereo cinch inputs, front stereo AUX socket - Raw cable terminals for connecting the speakers - Technical Specifications Power supply 230Vac, 50Hz (IEC)Output impedance 4 – 8 Ohms - Input sensitivity: line 380m - VInput sensitivity : mic (unbalanced) 15m - VOutput power : 8 Ohms 2 × 25W RMS / 2 × 40W max. (EIAJ Standard 1k - Hz 10% THD) Output power : 4 Ohms 2 × 35W RMS / 2 × 55W max. (EIAJ Standard 1k - Hz 10% THD)Distortion Factor < 0.1%Signal-to-noise ratio> 76 d - BFrequency range 20 Hz – 20 kHzFinish Black - Dimensions 25 × 24 × 10cm - Weight 1.6kg