The BLX4R is a rugged, metal rack-mountable receiver with simple set-up and intuitive controls.
One-touch QuickScan frequency selection quickly locates the best frequency, while removable antennas allow for quick antenna distribution.
Rack mount kit included.
Specifications
- Output Impedance
- XLR connector: 200 Ω
- 6.35 mm (1/4") connector: 50Ω
- Audio Output Level
- Ref. ±33 kHz deviation with 1 kHz tone
- XLR connector: –20.5 dBV (into 100 kΩ load)
- 6.35 mm (1/4") connector: –13 dBV (into 100 kΩ load)
- RF Sensitivity -105 dBm for 12 dB SINAD, typical
- Image Rejection >50 dB, typical
- Dimensions H50 x W198 x D163 mm.
- Weight without antennas 1 kg.
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- Power Requirements 12–15 V DC @ 260 mA, supplied by external power supply (tip positive)

BETA-58A with BLX2 Handheld Transmitter 2 pcs.
- Integrated microphone capsule design, featuring trusted PG58, SM58® or Beta 58A options
- -10 dB gain attenuation
- Lightweight, rugged construction
- Color ID caps (available separately)
- Audio Input Level
- gain 0dB -20 dBV maximum
- gain -10dB -10 dBV maximum
- Gain Adjustment Range 10 dB
- RF Transmitter Output
- 10 mW, typical
- varies by region
- Dimensions 224 x 53 dia. (8 7/8 x 2 1/8 in.)
- Weight 218 g (7.7 oz.) (without batteries)
- Housing Molded ABS
- Power Requirements 2 LR6 AA batteries, 1.5 V, alkaline
- Battery Life up to 14 hours (alkaline)