Williams Sound Digi-Wave Series 400 Personal Communication System


Williams Sound Digi-Wave Series 400 Personal Communication System


  • The system includes – (2) DLT 400 transceivers, (2) MIC 144 headset microphones, (1) CCS 043 system carry case, (1) CCS 061 BK black silicone skin and (1) CCS 061 GR grey silicone skin
  • Communicate as a group, or broadcast your audio one way. Use the system the way you need.
  • 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)
  • Easy pairing
Model: DWS PCS 2 400 Specifications
Description Digi-Wave 400 Series Personal Communication System
DLT 400
Dimensions 4.22″W x 2.60″H x 0.50″D (107.3 mm x 66 mm x 12.6 mm)
Weight 3.3 oz (94 g) including battery
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@ 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 – 7,200 Hz, Other Modes: 100 – 11,500 Hz
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 3.5 mm phone jack (sleeve) with electret microphone bias, adjustable gain with 63dB range.
Line Input USB-C, Adjustable level
Audio Output Headphone: 3.5 mm TRRS headphone jack; 25 mW, R 32 ohms Line: USB-C, Adjustable level
Audio Output Max SSPL 90 111.8dB (EAR 013), 116.8dB (EAR 041)
Range Up to 900 ft (274 m) (depending upon environmental conditions)
Modulation FSK
RF Output 19 dBm Typical
Security 87 bit encryption (300 Series Compatiable), 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 Tempurature Range 14º to 113ºF (-10º to 45ºC)
Approvals FCC, Industry Canada, CE, RoHS 3, WEEE, RCM, ANATEL, KC, Giteki
Warranty 2 years parts and labor (90 days on accessories); 6 months on internal battery
EAR 041
Style Single, in-ear, isolation earphone
Plug 3.5mm mono
Cord 39″
Driver Size 10 mm
Nominal Impedance 16Ω
Freq. Response 20 – 20kHz
Weight 6g
Max Power Input 5 mW
Sensitivity 104 dB @ 1kHz
Replacement Silicone Tip EAR 043 (0ne pair)

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