QLXD2
Service Manual
HAND HELD TRANSMITTER
25A1164
PRODUCT DESCRIPTION
Figure 1. QLXD2 Hand Held Transmitter
General Product Description
QLXD Wireless is a digital wireless microphone system. The system comprises a bodypack transmitter (QLXD1), a handheld
microphone transmitter (QLXD2) and a single channel receiver (QLXD4). The system operates in the UHF TV band (470 to
937.5 MHz). QLXD Wireless is intended for use in mid-tier presentation, installed, and performance markets.
FEATURES
Notable QLXD1 design features include:
Fast transmitter power on: <1 sec
Segmented LCD interface
Infrared sync with firmware update capabilities
Thread locking TA4 audio connector
High dynamic range “Gain Ranging” audio input
Highly transparent, “compander-free”, low latency, digital audio
256-bit AES Encryption
Operates on 2 AA size batteries or the SB900 rechargeable Li-ion battery pack.
Long Battery life: >10 h with SB900 at 10mW
Wide tuning range (64 MHz at 500MHz)
Selectable output power: 1mW, 10mW
Removable antenna
Charge contacts allow charging SB900 without removal
Metal construction
