Scythe SDA35-2000-BK Kama Amp Mini Pro 20W Output: 2 x Speaker 1 x Headphones Input: 1x 3.5mm Stereo Mini 1x RCA jack Power IC: MAXIM MAX98400A Channel: 2 Stereo channels Continous Max. Output: 20 W x 2 Channels SN Ratio: 75 dB Dimensions: 4.15 x 1.32 x 6.02 in (W x H x D)