The Williams Sound DLR 400 RCH is a rechargeable receiver for listen-only applications with the Digi-Wave tour guide system. A large OLED screen displays channel, volume, battery level and RF signal strength. The DLR 400 RCH receives multiple presenters simultaneously during team presentations and it can be used with earphones, headphones or a neck loop. There is no limited to the quantity of receivers used on a system.
The DLR 400 RCH is backward compatible with the previous generation DLT 300 transceiver and DLR 360 receiver (with some limitations).
Integrated Lithium Polymer rechargeable battery
2.4 GHz operation
87-bit encryption and frequency-hopping technology
Sleek, lightweight design - easy to carry and use
Large OLED display – easy to read status and manage settings
Compatible with earphones, headphones, and neck loop
Charging via USB C port and charging contacts
Single four pole jack socket
Simple to set up and use.
1 Digi-Wave DLR 400 RCH Receiver
Dimensions 107.3 mm x 66 mm x 12.6 mm
Weight 94 g including battery
Battery type Lithium Polymer with smart charge built into transceiver; 1800 mAH
Battery life Up to 32 hrs per charge @ 1ch Rx
Power Save Auto Sleep Mode after 5 minutes of no RF signal from compatible devices
Charge time 5 hrs. approx.
Operating frequencies 2.4 GHz (ISM band); 2402 – 2476 MHz FHSS
Audio Frequency response
(-3dB Level) Intercom Mode: 100 - 7,200 Hz
Other Modes: 100 - 11,500 Hz
SNR 73 dB (A-weighted)
THD 0.1 % (Default Volume, 1kHz)
Headphone Output 3.5 mm TRRS headphone jack; 25 mW, R32 Ω
Range Up to 274 m (depending upon environmental conditions)
RF Sensitivity -92 dBm
Security 87 bit encryption (300 Series Compatible), 87+128 bit Encryption, Encryption PIN, Lock for settings
LEDs Bi-colour, changing green and red LED at top
Charging Connectors USB-C; Two contacts for use with CHG 412
Compatible Units DLT 400, DLT 300 with some limitations
Operating Temperature Range 14º to 113ºF (-10º to 45ºC)
Approvals FCC, Industry Canada, CE, RoHS 3, WEEE, RCM, ANATEL, KC,
Warranty 2 years parts and labour (90 days on accessories); 6 months on internal battery
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