FM 558-24 PRO - FM Plus Personal Listening System

The FM 558-24 PRO personal listening system from Williams Sound contains everything you need to get up and running with ADA- compliant assistive listening support in a medium to large facility. It features Dual FM and Wi-Fi transmission, along with 24 FM R38 receivers.

The new transmitter uses WaveCAST Wi-Fi technology, allowing users to listen either through their own smartphone or the a facility-provided FM receiver.

Large venues no longer need to choose between providing FM or Wi-Fi assistive listening systems, as this device is designed to deliver full audio performance.

Key Features and Specifications:

Wide-audience service with 24 PPA R37N FM receivers and WaveCAST compatibility
WaveCAST Android and iOS app can be installed for personal use
Ant 005’s RG 59 Coax cable type and a 22 ft cable length for an easy to connect cable
Large range of up to 1000 ft (304 m) with ANT 005 coaxial antenna
Rack mount of Standard 19” Rack, one EIA rack space high, 1/2 space wide
Long active antenna length of 80 in
Frequency Response of 200 Hz – 15 kHz, ±3dB
High-pass and Low-pass filters of Frequency control
Conducive CHG 3512 battery charger, a 12-unit, drop-in battery charger that charges a maximum of 24 AA size NiMH batteries
1:1, 1.5:1 or 2:1 compression ratio
FCC, RoHS3, WEEE, Industry Canada approved
Audio Input of (1) 3-pin XLR, (1) 1/4″ (TRS) jack for balanced or unbalanced input
Ethernet that’s 0/100 Base-T IEEE 802.3 compliant
Ethernet Input of RJ-45 on back of unit supports CAT 5e cables maximum of 328 feet (100 meters)
Signal to Noise Ratio of 67 dB (typical) Transmited RF
Total Harmonic Distortion of less than 0.25% @ 1 kHz (RF output)
Line output of RCA jack (black), -10 dBV (.32 VRMS)
Headphone output of 1/4″ TRS stereo jack, mono signal