Williams AV DWS INT 4 400 RCH Digi-Wave 400 Interpretation System for up to 3 Presenters and 21 Listeners

Digi-Wave 400 Series Rechargeable Interpretation System for up to three presenters and 21 listeners.

System includes
(3) DLT 400 transceivers
(21) DLR 400 RCH receivers
(3) MIC 144 headset microphones
(21) EAR 022 surround earphones
(2) CHG 412 PRO 12-bay charger in carry case CCS 056
(2) CCS 061 GR grey silicone skin
(1) CCS 061 BK silicone skin

Technical Specifications

CCS 056
Interior Dimensions
13.0” W x 18.0” L x 6.7”H (33 cm W x 46 cm L x 17 cm H)
Exterior Dimensions
15.7” W x 19.7” L x 7.2” H (40 cm W x 50 cm L x 18 cm H)
Lid Inner Depth
1.5” (4 cm)
Bottom Inner Depth
5.2” (13 cm)
Approx. weight (empty)
6.6 lbs (3 kg)
Material
Copolymer
Minimum Temperature
-40F (-40C)
Maximum Temperature
160F (71.1C)

DLR 400 RCH
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
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 OHM
Range
Up to 900 ft (274 m) (depending upon environmental conditions)
Modulation
FSK
RF Sensitivity
-92 dBm
Security
87 bit encryption (300 Series Compatiable), 87+128 bit Encryption, Encrpytion PIN, Lock for settings
Indicators
OLED
LEDs
Bi-color, 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
14 to 113F (-10 to 45C)
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

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
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)
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 Temperature Range
14 to 113F (-10 to 45C)
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 022
Style
Around-ear speaker
Plug
3.5mm mono
Cord
39"
Driver Size
23 mm
Nominal Impedance
32OHM
Freq. Response
20 - 20kHz
Weight
15g
Max Power Input
30 mW
Sensitivity
118 dB @ 1kHz