Portable Digi-Wave wireless communication system for one-way audio transmission, ideal for guided tours, simultaneous interpretation and assistive listening applications.

The Digi-Wave system is a portable wireless communication solution designed for secure one-way audio transmission from a transceiver to one or more receivers. It is ideal for guided tours, simultaneous interpretation, presentations, training sessions and assistive listening applications.

Using digital frequency-hopping technology, the system provides secure, interference-resistant wireless communication. Its modular design allows easy expansion with additional DLT 400 transceivers and DLR 400 receivers, making it suitable for groups of various sizes and a wide range of professional applications.

CODE: DWS PCS 3 400 RCH

System Includes

• 1 × DLT 400 transceiver
• 1 × DLR 400 RCH receiver
• 2 × DWS ACC PAC4
• 1 × MIC 454 lapel microphone
• 1 × EAR 041 earphone
• 1 × CCS 043 system carry case
• 1 × CCS 061 GR grey silicone skin
• 1 × CCS 061 BK black silicone skin

DLR 400 RCH – Specifications

• Dimensions: 4.22" W × 2.60" H × 0.50" D (107.3 × 66 × 12.6 mm)
• Weight: 3.3 oz (94 g), including battery
• Color: Black
• Battery Type: Built-in 1800 mAh Lithium Polymer rechargeable battery with Smart Charge
• Battery Life: Up to 32 hours per charge (1-channel receive mode)
• Power Save: Automatic Sleep Mode after 5 minutes without RF signal
• Charge Time: Approximately 5 hours
• System Voltages: OLED 14 VDC; RF 5 VDC; Logic 3.3 VDC
• Operating Frequency: 2.4 GHz ISM band (2402–2476 MHz), FHSS
• Audio Frequency Response (-3 dB):
  • Intercom Mode: 100 Hz – 7.2 kHz
  • Other Modes: 100 Hz – 11.5 kHz
• Signal-to-Noise Ratio (SNR): 73 dB (A-weighted)
• Total Harmonic Distortion (THD): 0.1% (default volume, 1 kHz)
• Headphone Output: 3.5 mm TRRS jack, 25 mW @ 32 Ω
• Line Audio Output: USB-C, adjustable output level
• Wireless Range: Up to 900 ft (274 m), depending on operating conditions
• Modulation: FSK
• RF Sensitivity: -92 dBm
• Security:
  • 87-bit encryption (300 Series compatible)
  • 87 + 128-bit encryption
  • Encryption PIN
  • Settings lock
• Display: OLED
• Status LEDs: Dual-color (green/red) LED
• Charging: USB-C or CHG 412 charging contacts
• Compatible Devices: DLT 400, DLT 300 (limited compatibility)
• Operating Temperature: -10°C to +45°C
• Certifications: FCC, Industry Canada, CE, RoHS 3, WEEE, RCM, ANATEL, KC, Giteki
• Warranty: 2 years (device), 1 year (internal battery)

DLT 400 – Specifications

• Dimensions: 4.22" W × 2.60" H × 0.50" D (107.3 × 66 × 12.6 mm)
• Weight: 3.3 oz (94 g), including battery
• Color: Black / Silver (Front / Back)
• Housing Material: ABS plastic
• Battery Type: Built-in 1800 mAh Lithium Polymer rechargeable battery with Smart Charge
• Battery Life: Up to 16 hours (1-channel transmit + 1-channel receive)
• Power Save: Automatic Sleep Mode after 5 minutes without RF signal (can be disabled)
• Charge Time: Approximately 5 hours
• System Voltages: OLED 14 VDC; RF 5 VDC; Logic 3.3 VDC
• Operating Frequency: 2.4 GHz ISM band (2402–2476 MHz), FHSS
• Audio Frequency Response (-3 dB):
  • Interpretation, Tour Guide, Hearing Assistance (≤4 microphones): 100 Hz – 11.5 kHz
  • Other Modes: 100 Hz – 7.2 kHz
• Signal-to-Noise Ratio (SNR): 73 dB (A-weighted)
• Total Harmonic Distortion (THD): 0.1% (default volume, 1 kHz)
• Microphone Input:
  • Built-in microphone
  • 3.5 mm microphone input with electret microphone bias
  • Adjustable gain (63 dB range)
• Line Input: USB-C, adjustable input level
• Headphone Output: 3.5 mm TRRS jack, 25 mW @ 32 Ω
• Audio Output:
  • Headphone output:
    • 111.8 dB Max SSPL90 (EAR 013)
    • 116.8 dB Max SSPL90 (EAR 041)
  • USB-C line output with adjustable level
• Wireless Range: Up to 900 ft (274 m), depending on operating conditions
• Modulation: FSK
• RF Output Power: Up to 19 dBm
• Security:
  • 87-bit encryption (300 Series compatible)
  • 87 + 128-bit encryption
  • Encryption PIN
  • Settings lock
• Side Tone: -6 dB below volume, selectable Off / Low / High
• Display: OLED
• Status LEDs:
  • Red Talk LED
  • Dual-color green/red status LED
• Charging: USB-C or CHG 412 charging contacts
• Compatible Receivers:
  • DLR 400 RCH
  • DLR 400 ALK
  • DLT 300 (limited compatibility)
  • DLR 360 (limited compatibility)
• Operating Temperature: -10°C to +45°C
• Certifications: FCC, Industry Canada, CE, RoHS 3, WEEE, RCM, ANATEL, KC, Giteki
• Warranty: 2 years (device), 1 year (internal battery)

EAR 041 – Specifications

• Type: Single in-ear isolation earphone
• Connector: 3.5 mm mono
• Cable Length: 39" (99 cm)
• Driver Size: 10 mm
• Nominal Impedance: 16 Ω
• Frequency Response: 20 Hz – 20 kHz
• Sensitivity: 104 dB @ 1 kHz
• Maximum Power Input: 5 mW
• Weight: 6 g
• Replacement Silicone Tip: EAR 043

DW ACC PAC – Specifications

• Weight: 0.25 lb (113 g)
• Input Power: 100–240 VAC, 50/60 Hz, 0.2 A
• Output Power: +5 VDC, 1.0 A
• Included Power Plug Adapters:
  • US
  • UK
  • EU
  • Australia
• Certifications: UL, CE, IC
• Warranty: 90 days