Reference wireless in-ear-monitoring receiver

No compromise

SPR4500 IEM is a reference wireless diversity in-ear-monitoring receiver for live applications and professional installations. Its provides antenna diversity, with two matched antennas, reference radio electronics design and a manual radio signal attenuator for more robust radio reception in crowded environments. SPR4500 IEM features an automatic set-up function for finding clean frequencies. The receiver provides a backlit display indicating signal strength and battery status. A central positioned on/off/volume control can be operated intuitively. With the “Individual mix”-function a personalized monitor mix can be set up easily. Integrated charging contacts allow the optional BP4000 battery pack to remain inside the receiver while being charged on the CU4000 charger (optional).

N° d’article SPR4500 IEM Group_

Caractéristiques Générales

Finish Black
Switching bandwidth ≤ 30.5 MHz (country dependent)
Output Power 10, 20, 50 and 100mW selectable (country dependent)
Modulation FM, MPX Stereo
Channel separation > 40 dB(A)
Audio bandwidth 35 – 15 000 Hz (± 3 dB)
T.H.D. ≤ 0.8 %
SNR (A-weighted) typ. >90 dB(A)
Audio Output 3.5mm jack socket, 150 mW (rms)/16 Ohm
Battery life 6 bis 10 Stunden volume dependent, 2 Batteries AA or BP 4000


Length 2.8 in (70 mm)
Height 3.5 in (91 mm)
Width 1 in (25 mm)
Net Weight 0.36 lbs. (165 g)

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