<b>Commountain Heavy Duty Two Wire Surveillance Kit with Noise Reduction Microphone, Quick-Disconnect Clear Acoustic Tube and Reinforced Cable</b><br><br> <b>Features:</b><br> -Two Wire Surveillance kit with Quick-Disconnect Acoustic Tube<br> -Surgical Grade UV Resistant Acoustic Tube, Comfortable & Durable<br> -PU cable Reinforced by Kevlar Fiber, High Strength & Durability<br> -Heavy Duty Noise Reduction Microphone Enable Sound to Be Transmitted Clearly Even in Loud Environment<br> -Side Bar PTT & Rotatable Steel Clothing Clip<br> -Rugged Connector<br><br> <b>Dimension Specification:</b><br> -Dimension of Mic/PTT Housing: 1.97x0.78x0.59 inch (HxWxT) <br> -Cable Length Between Connector and Mic/PTT: approx 51 inch<br> -Cable Length Between Connector and Earpiece: approx 46 inch<br> -Cable Diameter: 2.5mm<br><br> <b>Speaker Electric Specification:</b><br> -Type: Electret Speaker<br> -Impedance: 90Ω±15% at 1.0KHz 1.0V <br> -Rated Input Power: 0.01W<br> -Sensitivity: 115dB±3dB<br> -Frequency Response: 0Hz-12KHz Average SPL-10dB<br> -Distortion: 10% Max at 1.0KHz/1.2mW<br><br> <b>Microphone Electric Specification:</b><br> -Type: Condenser Microphone<br> -Output Impedance: 2.4KΩ±10%<br> -Sensitivity: -43dB±2dB (1V/Pa)<br> -Frequency Range: 50Hz-10KHz<br> -Directivity: Omni-Direcctional<br> -Working Voltage: 2V (10V Max.)<br> <b>Compatible for Motorola Radios As Follow:</b><br> APX900 APX1000 APX4000 APX6000 APX6000LI APX6000XE APX7000 APX7000XE APX8000 APX8000XE APX8000H APX8000HXE<br> XPR6100 XPR6300 XPR6350 XPR6380 XPR6500 XPR6550 XPR6580<br> XPR7300 XPR7350 XPR7380 XPR7500 XPR7550 XPR7580<br> XPR7350e XPR7380e XPR7550e XPR7580e<br> SRX2200<br> (APX 900, APX 1000, APX 4000, APX 6000, APX 6000LI, APX 6000XE, APX 7000, APX 7000XE, APX 8000, APX 8000XE, APX 8000H, APX 8000HXE, XPR 6100, XPR 6300, XPR 6350, XPR 6380, XPR 6500, XPR 6550, XPR 6580, XPR 7300, XPR 7350, XPR 7380, XPR 7500, XPR 7550, XPR 7580, XPR 7350e, XPR 7380e, XPR 7550e, XPR 7580e, SRX 2200)