Williams Sound Digi-Wave PCS 2 400 Series Personal Communication System, Includes 2x DLT 400 Transceivers, 2x MIC 144 Headset Microphones

SKU: WSDP2400 MFR: DWS PCS 2 400
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Key Features

  • Crystal-clear audio quality ensures every participant hears with exceptional clarity.
  • Portable communication system offers up to 900' range, perfect for large venues.
  • Digi-Wave tech supports private discussions with secure, encrypted communication.
  • Enjoy up to 16 hours of battery life for all-day use without frequent recharges.
  • Intuitive design makes this audio solution easy to set up and operate immediately.
  • Ideal for tours, presentations, or training, enhancing any audio experience.
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Williams Sound DWS PCS 2 Specifications

DLT 400 Transceiver

DLT 400 Transceiver

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  • Color

    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 at 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

    2.4GHz (ISM band); 2402 - 2476MHz FHSS

  • Audio Frequency Response (-3dB Level)

    Intercom Mode: 100 - 7,200Hz
    Other Modes: 100 - 11,500Hz

  • SNR

    73 dB (A-weighted, default Rx volume with mic input )

  • THD

    0.1 % (Default Volume, 1kHz)

  • Microphone input

    Internal microphone (disabled when MIC jack engaged) and 3.5mm phone jack (sleeve) with electret microphone bias, adjustable gain with 63dB range.

  • Line Input

    USB-C

  • Headphone Output

    3.5mm TRRS headphone jack; 25 mW, R 32 ohms

  • Audio Output

    Max SSPL 90 111.8dB (EAR 013), 116.8dB (EAR 041)

  • Range

    Up to 900' (274m) (depending upon environmental conditions)

  • Modulation

    FSK

  • RF Output

    19 dBm Typical

  • Security

    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)

  • Indicators

    OLED

  • LEDs

    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 Temperature Range

    14 Degree to 113 Degree F (-10 Degree to 45 Degree C)

  • Approvals

    FCC, Industry Canada, CE, RoHS 3, WEEE, RCM, ANATEL, KC, Giteki

  • Dimensions (W x H x D)

    4.22 x 2.6 x 0.50" (107.3 x 66 x 12.6mm)

  • Weight

    3.3 oz (94g) including battery

EAR 041 Isolation Earphone

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  • Style

    Single, in-ear, isolation earphone

  • Plug

    3.5mm mono

  • Cord

    39" (99.06cm)

  • Driver Size

    0.39" (10mm)

  • Nominal Impedance

    16 Ohm

  • Freq. Response

    20 - 20kHz

  • Max Power Input

    5 mW

  • Sensitivity

    104 dB at 1kHz

  • Replacement Silicone Tip

    EAR 043 (One pair)

  • Weight

    0.211" (6g)

CCS 043 Carry Case

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  • Dimensions (L x W x H)

    9.25 x 8 x 3" (23.4 x 20.32 x 7.62cm)

  • Weight

    12 oz (317.5g)

About Williams Sound DWS PCS 2

- DLT 400 Digi-Wave Digital 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 144 Headset Microphone -
Headset microphone with TRRS 3.5mm plug for use with Digi-Wave DLT 400 transceiver only.


- EAR 041 Isolation Earphone -
EAR 041 Single mini isolation earphone. Fits in the outer part of the ear. 16 Ohm, mono.


- CCS 043 Leatherette Carry Case -
Leatherette Carry Case for PFM PRO or Digi-Wave personal communication system. Use with PFM 330, PFM 360, Digi-Wave DLT's, Digi-Wave DLR's.


- CCS 061 Silicone Skins with Lanyard and Wrist Strap -
Silicone skins for Digi-Wave DLT 400 transceiver and DLR 400 RCH receiver, with lanyard and wrist strap.

Warranty Information

This product has a limited warranty of 24 months.

Product Documents

User Manual

Key Features

  • Crystal-clear audio quality ensures every participant hears with exceptional clarity.
  • Portable communication system offers up to 900' range, perfect for large venues.
  • Digi-Wave tech supports private discussions with secure, encrypted communication.
  • Enjoy up to 16 hours of battery life for all-day use without frequent recharges.
  • Intuitive design makes this audio solution easy to set up and operate immediately.
  • Ideal for tours, presentations, or training, enhancing any audio experience.

What's in the box:

  • 2x DLT 400 Transceivers
  • 2x MIC 144 Headset Microphones
  • EAR 041 Isolation Earphone (Single)
  • CCS 043 Carry Case
  • CCS 061 GR Silicone Skin with Lanyard & Wrist Strap (Gray)
  • CCS 061 BK Silicone Skin with Lanyard & Wrist Strap (Black)
  • Williams Sound 2 Year Limited Warranty (90 Day Limited Warranty on Accessories & 6 Month Limited Warranty on Internal Battery)