Williams AV DWS INT 2 400 ALK Digi-Wave 400 Portable Wireless Interpretation System, 1 Presenter, 10 Listeners

• Supports up to 14 interpreters plus unlimited listeners (expandable)
• Secure, interference-free 2.4 GHz digital wireless audio with up to 900 ft range
• Includes DLT 400 transceiver, 10 DLR 400 ALK receivers, headset mic, and earphones
• Long battery life: up to 30 hours (receivers) and 16 hours (transceiver) per charge
• Portable, durable carry case for easy transport and rapid setup

• Brand: Williams AV
• Model: DWS INT 2 400 ALK
• System Type: Portable Wireless Interpretation System
• Presenter Units: 1 x DLT 400 Transceiver
• Listener Units: 10 x DLR 400 ALK Receivers
• Headset Microphone: 1 x MIC 144
• Earphones: 10 x EAR 022 Surround Earphones
• Batteries: 10 x BAT 010-2 AAA Alkaline Batteries

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) with battery
• Battery: Lithium Polymer, 1800 mAH, up to 16 hrs talk time, 5 hr charge
• Audio Frequency Response: 100 – 11,500 Hz
• SNR: 73 dB (A-weighted)
• THD: 0.1% (typical)
• Headphone Output: 3.5 mm TRRS, 25 mW @ 32Ω
• Range: Up to 900 ft (274 m)
• Modulation: FSK
• Security: 87+128 bit encryption, PIN, settings lock
• Operating Temperature: 14º to 113ºF (-10º to 45ºC)

DLR 400 ALK:

• Dimensions: 2.36" W x 3.54" H x 0.63" D (60 mm x 90 mm x 16 mm)
• Weight: 1.7 oz (47 g) without batteries
• Battery: 2 x AAA alkaline, up to 30 hrs
• Audio Frequency Response: 100 – 11,200 Hz
• SNR: 74 dB (A-weighted)
• THD: 0.1% (typical)
• Headphone Output: 3.5 mm TRRS, 27 mW max @ 32Ω
• Range: Up to 900 ft (274 m)
• Modulation: FSK
• Power Save: Auto Sleep Mode after 5 minutes of no RF signal
• Display: LCD (Battery, RSSI, Group/Channel #)
• Case Material: Black ABS Plastic
• Operating Temperature: 14º to 113ºF (-10º to 45ºC)

EAR 022:

• Earphone Style: Around-ear speaker
• Plug: 3.5mm mono
• Cord Length: 39"
• Driver Size: 23 mm
• Nominal Impedance: 32Ω
• Frequency Response: 20 - 20,000 Hz
• Max Power Input: 30 mW
• Sensitivity: 118 dB @ 1kHz

• System Frequency Band: 2.4 GHz ISM band
• System Modulation: FSK

Carry Case:

• Model: CCS 056 DW 11 (Copolymer, briefcase style)
• Interior Dimensions: 13.0” W x 18.0” L x 6.7” H (33 cm x 46 cm x 17 cm)
• Exterior Dimensions: 15.7” W x 19.7” L x 7.2” H (40 cm x 50 cm x 18 cm)
• Weight (empty): 6.6 lbs (3 kg)
• Material: Copolymer
• Temperature Range: -40ºF to 160ºF (-40ºC to 71.1ºC)

• System Approvals: FCC, Industry Canada, CE, RoHS 3, WEEE, RCM, ANATEL, KC, Giteki
• Warranty: 2 years (devices), 1 year (internal battery)