Unbranded VALCOM VC-V-763-BK Valcom One-Way Desktop Speaker

Features:Utilizes standard CAT 3 5 or 6 Cable.Externally accessible volume control.Signal Level: -10 dBm line level.Rating: > 93 dB 1.22 m.Specification:Connectivity Technology: Cable.Frequency Response: 220 Hz to 10 kHz.Impedance: 600 Ohm Nominal.Input Voltage: -24 V DC.Color :Black.Form Factor: Wall-mountable.Dimensions: 4'' Height x 5'' Width x 2'' Depth - (top) x 3'' Depth (base).Weight: 1.60 lb.