Sennheiser AB 9000 A1-A8 Antenna Booster, +17 DB, N Connection, 470-638 MHz | Full Compass Systems
Sennheiser EW-D AB Inline Antenna Booster - Sound Productions
Sennheiser EW-D AB Q Inline Antenna Booster | zZounds
SENNHEISER AB 3700 - Antenna booster, range: 470-866 MHz, active, 15 dB gain, BNC, 3/8" thread. For EM2000/2050/3731/3732/6000 receivers.
Amazon.com: Sennheiser CX True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls with Passive Noise Cancellation, Customizable Touch Controls, Bass Boost, IPX4 and 27-hour Battery Life, Black : Electronics
Sennheiser AB 4-AW+ Inline Antenna Booster, 470-558 MHz | Sweetwater
Sennheiser A3700 Omnidirectional Antenna with Integrated AB3700 Booster 502195
Sennheiser AB 4-AW+ Inline Antenna Booster, 470-558 MHz | Sweetwater
Sennheiser EW-D AB BOOSTER - - Antenna Booster for use with Evolution Wireless Digital systems.
SENNHEISER | Ab 2 Antenna Rf Booster (740 - 776 Mhz) | AB2C | Tri-State Camera, Video, and Computer