Sennheiser AB 3700 Broadband Antenna Booster 30-foot which can operate for up

which can operate for up to eight hours on two AA batteries each

Use only genuine Royer cables with your stereo ribbon microphone

including single-conductor cable

suitable for any application where the convenience of a wireless lavalier microphone is required

Sennheiser AB 3700 Broadband Antenna Booster 30-foot which can operate for upThe Sennheiser AB 3700 Broadband Antenna Booster is an inline RF signal booster for the Sennheiser EM3731, EM3732 and EM3732 Command receivers. The antenna significantly boosts RF strength and gain during long BNC cable runs. The AB 3700 features up to 15dB of amplification and mounts to a standard 3 8" or 5 8" stud. Amplification adjustable in 4 steps (up to 15 dB) to compensate for cable losses DC powered from the receiver via the antenna cable