Williams AV PPA T46 FM Transmitter: 17-Channel Assistive Listening Solution

Boost accessibility and communication clarity in any venue with the Williams AV PPA T46 FM Transmitter, the ideal professional assistive listening solution. This lightweight, body-pack FM transmitter is engineered to provide reliable, high-quality audio, ensuring your facility meets ADA compliance guidelines for hearing assistance.

The T46 broadcasts a speaker's voice on one of seventeen selectable channels within the 72–76 MHz band to compatible FM receivers (such as the R37 or R38). Its bright 1.25" OLED screen and intuitive menu-access controls allow for effortless adjustment of channel selection, volume levels, compression (1:1 or 2:1), and channel lock. With a robust wireless audio transmission range of up to 150 feet (46m), the PPA T46 is perfect for classrooms, corporate training, business meetings, and guided tour groups. The flexible design includes a dedicated 3.5 mm MIC input and a 2.5 mm AUX input for connecting external audio sources like MP3 or CD players.

Key Features

• 17-Channel Selectable Frequencies: Operates in the 72–76 MHz band with digitally synthesized stability, switchable between 8- and 17-channel modes.
• OLED Display & Menu Control: Features a bright 1.25" OLED screen displaying channel, volume, battery status, and lock settings, with easy-to-use navigation buttons.
• Dual Input Capability: Includes a 3.5 mm mono jack for an electret microphone and a 2.5 mm stereo jack for auxiliary audio input.
• Exceptional Range & Clarity: Offers a transmission range of up to 150 feet (46m) with a Signal-to-Noise Ratio of 65 dB for crystal-clear audio.
• ADA Compliant & Portable: Meets ADA guidelines for hearing assistance and features a sleek, ergonomic design with an included belt clip for hands-free operation.
• Long-Lasting Power: Provides up to 30 hours of battery life with standard AA Alkaline batteries.
• Compliance & Warranty: FCC Part 15 compliant and backed by a Limited Lifetime Warranty (90 days on accessories).

Specifications

• Dimensions: 4.1” L x 2.8” W x 1.1” D (104 mm x 71 mm x 28 mm)
• Weight: 2.6 oz (74 g), without batteries
• Enclosure Material: Shatter-resistant PC/ABS plastic with a textured, scratch-resistant aluminum faceplate
• Battery Life (Alkaline): Up to 30 hours (with BAT 001-2)
• Battery Life (Rechargeable NiMH): Up to 20 hours per charge (with BAT 026-2)
• Operating Frequencies: 17 selectable channels, 72.1 – 75.9 MHz
• RF Output: 80 mV/m at 3 m (max. allowed by FCC rules)
• Frequency Response: 180 Hz to 13 kHz, ± 3 dB
• Microphone Input: 3.5 mm mono jack with electret mic bias
• Auxiliary Input: 2.5 mm stereo jack
• Audio Compression: Selectable 1:1 (off) or 2:1 (on)
• Approvals/Directives: FCC, Industry Canada, RoHS, WEEE

Package Content

• (1) PPA T46 FM Transmitter unit
• (2) AA Alkaline Batteries (BAT 001-2)
• (1) Belt Clip (CLP 023)
• (1) Auxiliary Input Cable (WCA 087)
• Note: Microphone is sold separately.