4 INPUT TWIN HEADPHONE AMPLIFIER/ MIXER GS-HA005

This robust battery powered twin headphone amplifier has been designed specifically for outside broadcast environments. It has 4 audio inputs (with loop through XLRs for connecting several units together) which are fed through 2 off 4 channel mixers the outputs of which have both a headphone amplifier and a balanced mix out.     

  
Front & Rear Views of GS-HA005

       Powered from 2 x 'D' cells

     External DC power input (12 - 18volts) 

       Size just 160 x 165 x 104 mm (W x D x H)

     4 x audio inputs 

       Loop through audio connectors

     Transformer balanced inputs for reliability 

       2 x separate headphone mixes

     Inputs can be switched to left/ right or both sides of the headphone amplifier 

       2 x headphone jack outputs for each amplifier

     Headphone jacks are A/B gauge

       Designed for 200 to 2kOhm headphone impedances

     Can run lower impedance (80 Ohm headphones) with reduced battery life 

       2 x headphone jack outputs for each amplifier

     Headphone jacks are A/B gauge

       Balanced mix outputs of the 2 x 4 channel mixers

       Power on switch

       2 x power indicating LEDs. 1 indicates power available from the external DC input and the other that power is available from the batteries.

       Low battery indication

GS-HA005 Block Diagram