ACA 3, a compact and easy to deploy 2 x 4:1 antenna combiner compatible with all analog and digital Sennheiser wireless stationary receivers operating in the supported frequency range of 470 to 798 MHz.

• 2 x 4:1 combiner at unity gain

• Switchable DC supplied on each antenna input for head amps or active antennas, e.g. AB 3, AB 3700, A12AD, AB 9000

• RF from each of the eight antenna inputs is switchable to isolate unused antennas

• LEDs indicate input state; RF on, DC on and DC current overload (e.g. faulty ‘short circuit‘ antenna cable)