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The SPR4500 IEM Bodypack Receiver (BD9) from AKG is a bodypack receiver with two matched antennas that provides a backlit display and jog control for ease of use. The SPR4500 IEM Bodypack Receiver (9) has a frequency range of 600.1 to 605.9MHz and 614.1 to 630.5MHz. The SPR4500 is powered by two AA batteries and provides up to 10 hours of continuous operation so you will never have to worry about running out of power at critical times. Plus the display indicates the received signal strength and battery status along with other parameters.
The auto setup function makes finding clean frequencies a cinch and the pre-programmed frequency preset groups supports 14 intermodulation-free channels.
Lastly, the headphone output is a 3.5mm stereo jack connector, which has been designed to accommodate a large number of different types of low impedance earphones.
The SPR4500 IEM Bodypack Receiver (BD9) has a frequency range of 600.1 to 605.9MHz and 614.1 to 630.5MHz
Diversity bodypack receiver with two matched antennas
Reference radio electronic design with signal attenuator to ensure reliable transmission
Premium audio quality with ultra linear frequency response
Enhanced automatic setup shows the number of free channels
Preset groups support TV channels
Quick frequency change for monitor engineers
High-end and powerful headphone amplifier
Combined on/off and volume control for ease of use
Stereo, mono and dual mode for individual mix
Rugged metal housing
In the Box
AKG SPR4500 IEM Bodypack Receiver (BD9)
Table of Contents
Band 1: 650.1-680.5MHz
Band 3-A: 720-750.5MHz
Band 4: 759.5-789.9MHz
Band 5-JA: 797.125-805.875MHz
Band 5-IL: 794.1-805.9MHz
<= 30.5MHz (country-dependent)
35Hz-20MHz (± 3 dB)
Signal to Noise Ratio
typ. >90 dB(A)
FM, MPX stereo
> 40 dB(A)
3.5mm jack socket, 150 mW (rms) / 16 ohms
6-10 hours, volume dependent, 2 AA batteries or BP 4000
Remaining battery life (Patent no. AT 408.280, GB 2.349.230, US 6,344,730)