Compact one- or two-channel infrared audio system for individual use, for small areas, 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. Features plug-and-play setup 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)
• 1 × WCA 055 – 3.5 mm Male-to-Male Stereo Cable for IR T1 Transmitter
• 1 × WIR RX22-4N – Infrared Receiver
• 1 × STD 008 – Flat-Panel TV Mounting Bracket
• 1 × HED 021 – Folding Headphones
• 1 × BAT 001-2 – AA Alkaline 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)

HED 021 Headphones

• Style: Mono, folding headphones
• Plug: 3.5 mm mono
• Cord: 39″
• Driver Size: 30 mm
• Nominal Impedance: 32 Ω
• Frequency Response: 20 Hz–20 kHz
• Weight: 52 g
• Max. Power Input: 100 mW
• Sensitivity: 110 dB @ 1 kHz
• Replacement Pads: HED 023 (one pair)

IR T1 Infrared Transmitter

• Dimensions (W × D × H): 5.65″ × 3.65″ × 1.15″ (14.4 × 9.3 × 2.9 cm)
• Weight: 8.3 oz (235 g)
• Color: Black
• Power Supply: TFP 055 – 100–240 VAC, 50/60 Hz input; 5 VDC, 1 A USB output; universal supply with international adapters
• Other USB Power Supply: Must be at least 5 VDC, 0.2 A
• Power Cable: USB to Micro USB cable
• DC Power Input: Micro USB connector, 5 VDC, 0.2 A
• Power Indicator: Green LED
• Sleep/Power Save Mode: Shuts off carrier when no audio is present for 12 minutes
• Modulation: FM wideband, ±50 kHz deviation max., 50 μs pre-emphasis
• Carrier Frequencies: 2.3 MHz (Ch 1) and 2.8 MHz (Ch 2)
• Power-On Default: Carriers off; carriers are automatically enabled upon presence of audio
• Coverage Area: 1,300 sq. ft (120 m²) with WIR RX22-4; 1,000 sq. ft (93 m²) with IR RX20
• Audio Input: 3.5 mm stereo line-level input jack; Ch 1 connected to tip, Ch 2 to ring, GND to sleeve
• Audio Indicators: One yellow LED per channel; lights and stays on steadily with minimum audio level
• Signal-to-Noise Ratio: 70 dB at onset of limiting
• Frequency Response: 100 Hz–12 kHz
• Operating Requirements: 32–122 °F (0–50 °C)
• Optional Mounting Kits: STD 008 TV Top Shelf Mounting Kit; BKT 024 omnidirectional wall/ceiling mount
• Compatible Receivers: WIR RX22-4, IR RX20
• Warranty: 2 years
• Approvals / Regulatory Compliance: CE, RCM, FCC, Industry Canada, PSE, CUL, WEEE, RoHS, CB Scheme

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 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
• Approvals: CE, FCC, RoHS, WEEE
• Warranty: 5 years on receiver; 90 days on accessories
• 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