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Digital 4-Channel Wireless Transmitter

Lectrosonics - LECTROSONICS D4T View Larger Image (in new window)

Lectrosonics : LECTROSONICS D4T

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The LECTROSONICS D4T digital 4-channel wireless system was designed as a special purpose system for location production in film and television.

A typical application for this system is in television production as part of what is commonly called a “bag system.” A portable mixer and several wireless microphone receivers are carried in an over-shoulder carrying case. The D4T transmitter is connected to the outputs of the mixer to transmit up to four audio channels to one or more D4R receivers mounted on video cameras.

LECTROSONICS D4T features include:

  • 48 kHz, 24-bit audio
  • 2 or 4 channel operation
  • DTV-free unlicensed ISM band 902-928 MHz
  • Digital or analog inputs
  • Digital or analog outputs
  • Very low latency
  • Extended operating range
  • Channel pairing for stereo monitoring
  • Powered by 9 to 16 VDC
Frequencies 902 - 928 MHz

Center Frequencies:
907.776, 912.387, 916.992, 923.904

Audio Inputs 4 x Line-Level Balanced TA3M Mini-XLR Inputs
Simulated Transformer Balanced Inputs
Clip Level Adjustable +0 to +20 dBu (or AES/EBU digital standard)
Digital Connections 2 x AES/EBU on Balanced TA3M Mini-XLR Inputs
1 x 4-Pin USB Port (for firmware updates)
Sampling Rate 48 kHz, 24-bit
Latency Digital In/Digital Out:
Less than 1 mS

Analog In/Analog Out:

Selectable Channels 4 Digital
2 Digital, 2 Analog
4 Analog
Power Output 200 mW
Dynamic Range > 104 dB A-weighted
THD & Noise < 0.05% (1 kHz @ -10 dBFS)
Frequency Response 20 Hz - 20 kHz, +/- 0.5 dB
Power Requirements 9 - 16 VDC
Power Consumption 500 mA
Dimensions 4 x 4 x 1.5" (101.6 x 101.6 x 38.1 mm)
Weight 12 oz (339 g)


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Prices and specifications subject to change without notice.