The Master Sum Box incorporates two high-performance, Lundahl transformer-coupled mic preamplifiers for the microphone outputs. The whole system is powered by two channels of 48V phantom power from your mixing console. A red light for each channel will flash when phantom power is supplied.

Specifications:
Input:
Single 4-pin female XLR, to connect from the SSB6000

Outputs:
Dual 3-pin male XLR, 2 channel microphone outputs

Frequency Range:
100Hz -10kHz (-3dB) with Soft Boost Grid
100Hz -15kHz (-3dB) with High Boost Grid.
Hi-cut: -6dB/oct. from 10kHz
Lo-cut: -6dB/oct. from 100Hz

Power supply: 48V phantom, applied simultaneously to the 2 microphone outputs.

Output impedance: <600 Ohms

THD: 0.05% (100Hz – 10kHz)

Crosstalk: -70dB at 1kHz

Cable Drive Capability: 200 meters

Dimensions: 12 x 10.4 x 3.4cm ( 4.7 x 4.10 x 1.4in)

Weight: 399g (14,1 oz)