AKG HT4500 BD8 Reference wireless handheld transmitter

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HT4500 BD8 Reference wireless handheld transmitter

The HT4500 is an analog reference wireless handheld transmitter that connects to a choice of four different microphones to cover a wide range of applications. The unique dipole-antenna design ensures reliable transmission even when one pole of the antenna is covered completely by the user's hand. The pilot tone continuously sends transmitter data, including mute switch position and remaining battery life to the receiver. The HT4500 offers an extended battery lifetime of 15 hours with two standard AA alkaline batteries. With integrated charging contacts, the optional BP4000 battery pack can be charged inside the transmitter. The readout of its exact battery life in hours is a valuable advantage in wireless applications.


  • 1 x HT4500 Handheld transmitter
  • 2 x AA size batteries
  • 1 x Stand adapter

General Specifications

Audio frequency bandwidth: 35 - 20000 Hz
Signal to Noise: 120 dB-A
THD at 1 kHz: 0.3 Percent
Operating temperature range: -10 to 55 Celsius
Peak deviation: 48 kHz
Switching bandwidth: 30 MHz
Recommended simultaneous channels: 50
Number of selectable frequencies: 1220 (selectable in 25kHz steps)
Frequency Selection: Selectable frequency in 25kHz steps
Radio range (Line of sight): 100m (depending on antenna system)
Switchable RF power: no
Modulation: FM (Frequency Modulation)
Encryption: No encryption
Diversity: True Diversity
Pilot Tone: yes
Nominal deviation: 20 kHz
Radio Output Power (min/max): 10 to 50 mW
Microphone head versions: C535 WL1
Transmitter Synchronization: Manual


Height: 247 mm
Width: 51 mm
Net Weight: 125 g


Body: metal
Finish: black


Battery_English type: AKG BP 4000
Compatibel Charging System: CU4000
Number of batteries: 1
Operating time: 12 h

Battery 2

Battery type: HR 6 AA (NiHM) rechargeable battery
Compatibel Charging System: CU4000
Number of batteries: 2
Operating time: 12 h

Battery 1

Battery type: LR6 AA alkaline Battery
Number of batteries: 2
Operating time: 15 h
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