Williams Sound Digi-Wave 400 Series Intercom System for 8 Participants with 8-DLT 400,8-157 Headset Mics,Case


Williams Sound Digi-Wave 400 Series Intercom System for 8 Participants with 8-DLT 400,8-157 Headset Mics,Case

About Williams Sound DWS COM 8 PRO

– DLT 400 Transceiver –

The Digi-Wave system is a digital spread-spectrum (DSS), simultaneous two-way wireless listening system. Using it’s frequency-hopping algorithm, it avoids interference and is a very secure method of communication. The Digi-Wave communication system allows users to listen and talk to one another wirelessly in a variety of scenarios.

A Digi-Wave system consists of at least one transceiver (DLT 400) and various combinations of transceivers and receivers (DLR 400 RCH or DLR 400 ALK). Combinations of one or more DLT’s and DLR’s can be used to facilitate different events, depending on what needs to be spoken and what needs to be heard. Typical scenarios include:

• Guided Tours – with one or more tour guides (2-way), with audience participation (2-way), or without audience participation (1-way)

• Language Interpretation – one or more interpreted languages transmitted to audience (1-way)

• Intercom – with up to six people able to speak simultaneously, and even more listening

• Hearing Assistance – featuring boosted audio for improved comprehension

– MIC 157 Single-Muff Headset Microphone –

Single-muff headset microphone with TRRS 3.5mm plug. For use with DLT 400 transceiver only.

– CCs 042 Large Heavy-Duty Carry Case with Pluck Foam –

Large Heavy-duty carry case with pluck foam. For receiver / transmitter / accessory storage. Holds up to 48 PPA receivers.

– CCS 061 Gray and Black Silicone Skins –

Silicone skins for Digi-Wave DLT 400 transceiver and DLR 400 RCH receiver, with lanyard and wrist strap.

Williams Sound DWS COM 8 PRO Features

  • DLT 400 Transceiver Features
  • Communicate as a group, or broadcast your audio one way. Use the system the way you need
  • Simplified usage and set up
  • Backwards compatibility with Digi-Wave 300 series
  • Crystal-clear digital sound quality
  • Completely Portable – No base station or rack-mounted components required
  • 128+87-bit encryption and PIN code
  • Simplified usage and set up
  • Increased range
  • Easy group join (for Guest units)

DLT 400 Transceiver 

Black/Silver (Front/Back)
Case Material
Black ABS plastic
Battery type
Lithium Polymer with smart charge built into transceiver; 1800 mAH
Battery life
Up to 16 hrs talk time per charge@ 1ch Tx and 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 – 7200 Hz
Other Modes: 100 – 11500 Hz
73 dB (A-weighted, default Rx volume with mic input )
0.1 % (Default Volume, 1kHz)
Microphone input
Internal microphone (disabled when MIC jack engaged) and 3.5 mm phone jack (sleeve) with electret microphone bias, adjustable gain with 63dB range
Line Input
Headphone Output
3.5 mm TRRS headphone jack; 25 mW, R 32 Ohms
Audio Output
Max SSPL 90 111.8dB (EAR 013), 116.8dB (EAR 041)
Up to 900′ (274m) (depending upon environmental conditions)
RF Output
19 dBm Typical
87 bit encryption (300 Series Compatible), 87+128 bit Encryption, Encrpytion PIN, Lock for settings
Side tone
-6 dB below volume, tone variation (Off, Low and High settings available)
Red LED around Talk button when enabled; Bi-color, changing green and red LED at top
Charging Connectors
USB-C; Two contacts for use with CHG 412
Compatible Receiver
DLR 400 RCH, DLR 400 ALK, DLT 300 with some limitations and DLR 360 with some limitations
Operating Tempurature Range
14 to 113 Degree F (-10 to 45 Degree C)
FCC, Industry Canada, CE, RoHS 3, WEEE, RCM, ANATEL, KC, Giteki
Dimensions (W x H x D)
4.22 x 2.6 x 0.5″ (107.3 x 66 x 12.6mm)
3.3 oz (94g) (Including Battery)

MIC 157 Headset Microphone 

DLT 400 Transceiver
Microphone type
Unidirectional electret
-80 dB
Frequency Response
100-12 kHz
Frequency Response
100-12 kHz
150 Ohm
150 Ohm
Driver Type
50mm, Dynamic
Max SPL Out
99 dB
Max Power Input
100 mW
Connector type
4 pole 3.5mm jack

CHG 412 12-Bay Charger 

Unit Capacity
12 Units
DigiWave DLT 400 transceiver and DLR 400 RCH receiver

CCS 042 System Carry Case 

Storage Capacity
48 PPA
21.5 x 17.5 x 8.5″ (546.1 x 444.5 x 215.9mm)
12.2 lb (5.5kg)

CCS 061 GR/BK Silicone Skins 

Gray and Black
Digi-Wave DLT 400 Transceiver and DLR 400 RCH Receiver

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