Compact one- or two-channel infrared audio system for two users, providing coverage up to 1,300 sq ft (121 m²).
Designed for individual listening and assistive listening in small conference rooms, hospital rooms, and other private spaces. Includes two receivers and a charger, with a 3.5 mm audio input and power via an AC power supply or standard TV USB port.
System Includes
- 1 × IR T1 – Small-Area Infrared Transmitter
- 1 × TFP 055 – Power Supply
- 1 × WCA 106 – USB Micro Cable, 6 ft (USB 2.0 to USB Micro)
- 1 × WCA 124 – Adapter Cable (3.5 mm F to RCA)
- 2 × WIR RX22-4N – Infrared Receivers
- 1 × STD 008 – Flat-Panel TV Mounting Bracket
- 2 × HED 027 – Heavy-Duty, Folding, Mono Headphones
- 1 × NKL 001 – Neckloop
- 1 × CHG 3502 – Two-Bay Body-Pack Charger
- 2 × BAT 026-2 – AA NiMH Rechargeable Batteries
Features
- High-efficiency LEDs display power status and audio input
- Power via AC power supply or standard USB port on a TV
- Plug-and-play installation with 3.5 mm audio input
- One- or two-channel operation (2.3 and 2.8 MHz)
- Coverage area up to 1,300 sq ft (121 m²)
WIR RX22-4N Infrared Receiver
- Receiver Type: Body-Pack with IR detector lens on the front of the unit
- Hands-Free Operation: Lanyard
- Volume Control: Rotary-type control
- Batteries: 2 × AA alkaline or rechargeable NiMH batteries
- Battery Life: Up to 60 hours with AA alkaline batteries; up to 30 hours per charge with NiMH AA batteries
- Charging: Via integrated charger contacts without removing the batteries
- Charging Time: Approximately 16 hours when used with CHG 3512 charger
- Enclosure: Impact-resistant plastic case with hinged, non-detachable battery door
- IR Carrier Frequencies: 2.3 / 2.8 / 3.3 / 3.8 MHz
- De-Emphasis: 50 µs
- Audio Output: 3.5 mm stereo phone jack
- Compatible Headphones/Earphones: Low-impedance mono or stereo headphones and earphones
- Neckloop Compatibility: Supports neckloop telecoil couplers
- Acoustic Output: 125 dB SSPL90 with HED 021 headphones; 110 dB SSPL90 with EAR 013 earphone
- Frequency Response: 25 Hz–16 kHz, +1/−3 dB
- Signal-to-Noise Ratio: 60 dB
- Approvals: CE, FCC, RoHS, WEEE
- Warranty: 5 years parts and labor; excludes earphones, headphones, batteries, and chargers
CHG 3502 Two-Bay Body-Pack Charger
- Dimensions (L × W × H): 4⅞″ × 3⅞″ × 2″ (12.4 × 9.8 × 5.1 cm)
- Shipping Weight: 1.1 lb (0.5 kg)
- Enclosure: Black ABS plastic
- Charger Power: Input – 6 VDC, 300 mA, center positive; output – 100 mA per bay
- Power Supply: Williams AV TFP 041 (US); input – 100–240 VAC, 50–60 Hz, 0.5–0.3 A; output – 6 VDC, 1.5 A
- Charging Time: 16 hours nominal*
- Unit Capacity: 2 units
- Indicators: 2 red LEDs – one for each bay; LEDs are lit when charging
- Approvals: CE, FCC, RoHS
HED 027 Heavy-Duty Folding Mono Headphones
- Style: Heavy-duty, folding, mono headphones
- Plug: 3.5 mm mono
- Cord: 39″
- Driver Size: 40 mm
- Nominal Impedance: 16 Ω
- Frequency Response: 20 Hz–20 kHz
- Weight: 102 g
- Max. Power Input: 100 mW
- Sensitivity: 96 dB @ 1 kHz
- Replacement Pads: EAR 035 (one pair)
NKL 001 Mono Neckloop
- Color: Black
- Weight: 1.5 oz
- Length: 18.5″ cord
- Connector: NKL 001 – 3.5 mm mono plug; NKL 001-S – 3.5 mm stereo plug with ring disconnected
- Impedance: 8–16 Ω
- Input Power: 500 mW max.
- Magnetic Field Strength: 25 mW input at 1000 Hz produces 1.7 A/m 6″ above the center of loop; 85 μW input produces 0.1 A/m (IEC Standard)
- Approvals: RoHS, WEEE
- Warranty: One year
STD 008 TV Mounting Bracket
- Weight: 0.6 lb (272 g)
- Dimensions (W × D): 6″ × 4.75″ (15 × 12 cm)
- Material: Painted steel
- Color: Flat black
- Shelf Support: Front padded lip rests on TV; adjustable arm with swivel lock supports rear of shelf
WIR RX22-4N Infrared Receiver
- Receiver Style: Body-Pack, dual-lens detector, lanyard
- Size (L × W × H): 4.1″ × 2.85″ × 1.2″ (104.1 × 72.4 × 30.4 mm)
- Weight: 4.5 oz (127 g) with batteries
- Color and Material: Black
- Lanyard: 3 ft (0.91 m), allows receiver to be worn around the neck
- Operating Temperature: −10 °C to +50 °C
- Battery Type: 2 × AA, alkaline (BAT 001-2) or NiMH (BAT 026-2)
- Battery Life: Alkaline – 60 hours; NiMH – 30 hours/charge
- Battery Drain: 25 mA, nominal
- Charging Contacts: For use only with CHG 3512
- Carrier Frequencies: Ch 1 – 2.3 MHz; Ch 2 – 2.8 MHz; Ch 3 – 3.3 MHz; Ch 4 – 3.8 MHz
- De-Emphasis: 50 μs
- FM Deviation: ±50 kHz
- Signal-to-Noise Ratio: 60 dB min.
- Squelch: Receiver squelches (mutes) at 28 dB S/N ratio
- Frequency Response: 25 Hz–16 kHz, +1/−3 dB, electrical response
- Total Harmonic Distortion: Less than 1%, electrical response
- Controls: ON/OFF/VOLUME combination thumbwheel knob; four-position rotary channel selector
- Indicators: Red LED “ON” indicator; flashes to indicate low battery
- Audio Output Jack: 3.5 mm stereo mini phone jack; accepts 3.5 mm mono or stereo phone plug
- Audio Output Power: 15 mW max. at 32 Ω
- Acoustic Output: 125 dB SSPL90 with HED 021; 110 dB SSPL90 with EAR 013
- Sensitivity: Better than 1 nW/cm² for 40 dB signal-to-noise ratio
- Compatible Headphones/Earphones: Mono or stereo, 8–32 Ω, 3.5 mm mini phone plug; HED 021, HED 026, EAR 013, EAR 014, EAR 022, NKL 001
- Approvals: CE, FCC, RoHS, WEEE
- Warranty: 5 years on receiver; 90 days on accessories