B-7PSM is a wireless personal monitoring system for driving any stereo in-ear monitors or headphones with an impedance of 16-32 Ohms. The set comprises an ultra-compact transmitter with an integral 3.5mm plug and a clip-on receiver with 3.5mm stereo output jack, controlled via a pairing button and volume up/down buttons. The system operates on the license-free 5.8GHz digital band with auto-pairing on power-up for a fast and trouble-free setup. For added convenience, the set is supplied in a charge case, which has an inbuilt power bank to charge both transmitter and receiver units, so that they can always be ready for action. Audio fidelity is pristine with a broad and even frequency range and fast dynamic response, delivering the best possible sound quality to your earbuds or headphones. Reliable and accurate monitoring with freedom of movement for musicians, stage performers and broadcasters.
License-free operation on 5.8GHz band
Auto carrier detection and pairing
Suitable for 16-32 Ohm earphones or headphones
Supplied in a 3000mAh charging case
Recharge time 1.5 hours transmitter & receiver, 4 hours case (approx.)
Batteries 3.7V Li-ion 450mAh (transmitter & receiver), 3000mAh (case)
Headphone : connector 3.5mmØ stereo jack
Runtime 4 hours (full charge minimum)
Headphone impedance 16-32 Ohms recommended
Output power : max. 57mWrms @16 Ohms/1kHz
Output level -64dB to 0dB adjustable (0.5dB steps)
Latency <5.5ms
Line input impedance 3.5k Ohms
Max. input level : line 7.6Vp-p (8.6dBV or 2.7Vrms)
Dimensions 60 x 36 x 25mm (Tx/Rx), 114 x 70 x 32mm (case)
Weight 32g (Tx/Rx), 130g (case)
Frequency response 20Hz - 19kHz
Dynamic range 92dB
THD <0.6% @ 1kHz
Carrier frequency 5.8GHz band
Range 30m (open air, no obstruction), 10m (open air with obstructions)
Sampling format 24-bit, 40kHz
