Williams Sound FM 458 PRO Personal PA Pro FM Assistive Listening System with (4) PPA R38N Receivers; Multiple Digital Audio Input Options and an OLED Display with Easy-to-manage Menu Navigation The FM 458 PRO features the cutting-edge PPA T45 transmitter, with multiple digital audio input options and an OLED display with easy-to-manage menu navigation. The system is expandable, accommodating any number of listeners. This system complies with 2010 ADA guidelines for hearing assistance and is covered by Lifetime PLUS Limited Warranty. System Includes (1) PPA T45 Transmitter (4) PPA R38N Receivers (4) EAR 022 Surround Earphones (2) NKL 001 Neckloops (2) BAT KT6 Dual Drop-in Charger Kits, each including (2) BAT 026-2 AA Rechargeable Batteries (1) ANT 005 Coaxial Antenna (1) ANT 025 Whip Antenna (1) IDP 008 Wall Plaque (1) RPK 005 Rack Panel Kit (1) TFP 048 Power Supply (1) WLC 004 Main Power Cord (U.S.) (1) WCA 013 RCA Audio Cable, 3ft. Specifications PPA T45 Transmitter Operating Frequencies: 72.1-75.9 MHz, 17 wideband channels (selectable) Frequency Accuracy: ± 2 ppm stability, 0-50°C Deviation: ± 75 kHz maximum Frequency Response: 31 – 16000 Hz, ±3 dB ("Music" Audio Preset) Signal-to-Noise Ratio: ≥74 dB Transmitted RF Dimensions: 8.45" x 8.25" x 1.72" Weight: 3.0 lbs PPA R38N Receivers Channels: 17 Wideband, accessed via menu Display Screen: 1" OLED Input Overload: 100 mV Frequency Response: 200 – 15 kHz Modulation: FM, +/- 75 kHz peak deviation Signal-to-Noise Ratio: 65 dB min @ 100 uV Audio Output: 35 mW max, peak into 16 ohms Dimensions: 4.1" x 2.85" x 1.38" Weight: 4.6oz
