Hosa SLW-333, Audio switcher, Offers 3 options for signal routing, Eliminates the need to rewire equipment, Ideal for comparing mixes on up to 3 sets of studio monitors or switching between 3 stereo sources, Operating options: 1-in, 3-out or 3-in, 1-out, Noiseless switch for easy comparisons, Robust steel housing, Connections: 6.3 mm jack L/R to 3x 6.3 mm jack L/R (balanced), @Dimensions (W x D x H): approx. 160 x 140 x 58 mm, Weight: approx. 0.7g@+*Note:* This unit is designed for line level signals only, not for speaker level signals. Do not connect this unit between an amplifier and a loudspeaker.