With a PC-1e(B)/(W), you can remotely control the volume of the left and right speakers, making it an excellent addition for listening to music and watching videos on a PC. Compact for desktop use. Key Features - Passive type. No battery required. Robust metal chassis and machined aluminium knob - Includes a mini stereo cable (80 cm) and 2 RCA cables (100 cm) - Input: 3.5 mm stereo mini-jack, Output: RCA x 2 (L,R), Dimensions: 52(W) x 37(H) x 60(D) mm, approx. 120g - Available in white or black finish