Amplifier module for speaker box BK250A with Media Player – MP3 player, USB input and BLUETOOTH – TWS function for connecting two speakers – Built-in DSP with 4 presets, vocal effects and equalizer – Power: 230 W RMS ( 4 Ohm ) – Recess dimensions: 278 x 140 cm – Weight: 2kg – Power cord […]   Read more Amplifier module for speaker box BK250A with Media Player – MP3 player, USB input and BLUETOOTH – TWS function for connecting two speakers – Built-in DSP with 4 presets, vocal effects and equalizer – Power: 230 W RMS ( 4 Ohm ) – Recess dimensions: 278 x 140 cm – Weight: 2kg – Power cord included