Part of the FM+ Assistive Listening Systems lineup from Williams AV, the FM 557-12 is a Large-area Dual FM and Wi-Fi® assistive listening system that includes (12) FM R37 receivers.

This groundbreaking tech provides an industry-first choice of employing traditional FM receivers or using personal electronic devices over Wi-Fi® for hearing assistance. Along with this versatility comes exceptional audio quality, as FM+ is assembled on a professional digital audio (DSP) platform. This technology is designed to support those who want to use their own smartphones and headphones for a more discreet assistive listening experience. Simplicity and flexibility is also available for those who prefer a more traditional assistive listening system with a dedicated FM receiver and headset. Now, venues willl no longer need to choose between providing FM or Wi-Fi assistive listening systems. FM+ supports the iOS and Android WaveCAST Apps as well as the Wi-Fi Receiver-- in addition to all of the current and legacy Williams AV FM receivers that operate on the 72-76 MHz bandwidth.

Williams Sound FM 557 12 Includes:

• (1) FM T55 transmitter
• (12) PPA R37N receivers
• (12) EAR 022 surround earphones
• (3) NKL 001 neckloops
• (1) IDP 008 ADA wall plaque

Williams Sound FM 557 12 Features:

• Professional audio inputs: ¼"/XLR, phantom power, line level output jack
• Audio presets -- hearing assistance, music, voice and custom
• 16-bit DAC provides 48 khz sample rate
• 10-segment LED bar graph

Williams Sound FM 557 12 Specifications:

• Note: specifications and further information can be found within the items located under the "Documentation" tab above.