BASS AMP HEAD The Little Bass Thing is an ultra-lightweight amp for today's bassist. Class D amplification, prior to transistors. Output power: 500 W. Min 4 Ohm. Effects loop. Compressor. Footswitchable. ID output. 2 speaker outputs. 3-band EQ with semi-parametric midrange control. Measurements (W x H x D): 27.6 x 8.5 x 25.1 cm. Weight: 2.95 kg.