Technical Specification For CM-BH4W/X

Mic In to Line Out

Mic Input Impedance:
1k5Ω Unbalanced for 200Ω dynamic microphone

Limiter Input Threshold:
-60dBu

Line Output Level:
+2dBu

Line Output Impedance:
150Ω Transformer balanced

Line In to Headphone Out

Line Input Impedance:
>10kΩ Transformer balanced

Input Gain/Volume:
Adjustable off to +10dB

Maximum Input Level:
+24dBu

Maximum HP Output Level:
+7dBu (ref 9V battery voltage, <1% THD, 100Ω load)

Minimum HP Impedance:
100Ω

Connections

Line Input:
1 x XLR 3 pin female socket (balanced)

Line Output:
1 x XLR 3 pin male plug (balanced)

Headset (CM-BH4W):
1 x ¼” (6.35mm) mono unbalanced jack socket

Headset (CM-BH4WX):
1 x XLR 4 pin male plug (balanced)

Equipment Type

CM-BH4W:
Belt-pack 4-wire headphone amplifier

CM-BH4WX:
Belt-pack 4-wire headphone amplifier with 4 pin XLR headset connector

Physical Specification

Dimensions (Raw):
12.5cm (W) x 6.7cm (D) x 4.8cm (H)

4.9” (W) x 2.6” (D) x 1.9” (H)

Dimensions (Boxed):
23cm (W) x 13cm (D) x 8cm (H)

9.1” (W) x 5.1” (D) x 3.1” (H)

Weight:
Nett: 0.3kg Gross: 0.4kg

Nett: 0.6lbs Gross: 1.0lbs