High Quality NEW!!! Weight: 376 g Material: Metal Power Adapter: US Plug Voltage: 12V(Out); 110-240V(In) Input Jack: 1/4'' TS Connector, Stereo Output Jack: 1/4'' TS Connector, Stereo Input Impedance: min. 4.7kΩ Output Impedance: approx. 80Ω Max Input Level: 16dBu High Sonic Quality Ultra-compact 4-channel mixer for mixing 4 line (MONO) signal quickly & easily! Features 4 channels input & 1 channel output line. Independent volume control for each input channel. Ultra Low Noise - Outstanding audio performance! Comes with a 12V DC power adapter & light for indicating power ON.