The BantamP BaDass bass amp head from Joyo is small, compact and loud, producing 50 watts into a minimum load of 4 ohms. The BaDass features a 3 band EQ to shape your sound, separate gain and volume controls and a control to dial in the right amount of compressor. There's also a footswitch to conveniently engage the compressor. You can connect to the BaDass with Bluetooth and use the headphone output for silent practice. The BaDass bass amp uses a single 12AX7 tube in the preamp and has a solid state power amp.