Williams Sound FM Plus Assistive Listening System FM SYSTEMS FM 558-24
Vendor: Williams Sound
Available
Williams Sound FM Plus Assistive Listening System FM SYSTEMS FM 558-24
The personal Williams Sound FM 558-24 Plus assisted listening system – now with integrated Wi-Fi – has replaced the existing 558 systems for public venues. The Williams Sound FM 558-24 can operate in range up to 1000 feet, the FM Plus 558 is best for large venues where superior coverage and an OLED user interface where a higher feature set and visibility is required. Also, the Williams Sound FM 558-24 includes eight preconfigurable frequency-allocated channels for simultaneous use. This complete turnkey solution includes 24 PPA R37N receivers, each featuring seekbutton channel selection with access to 17 selectable wideband frequencies between 72.1-75.9MHz. This system complies with 2010 ADA guidelines for hearing assistance and is covered by Lifetime Plus limited warranty.
Williams Sound FM 558-24 Main Features
- Up to 1000 foot operating range.
- True professional audio interface
- Professional audio inputs: 1/4"/XLR, phantom power, line-level output jack
- Supports 45 users in unicast mode or 1500+ users in multicast mode
- Single-channel audio streaming over Wi-Fi
- Includes 24 FM R38 receivers
- Audio presets - hearing assistance, music, voice, and custom
- 16-bit DAC provides a 48Khz sample rate
- 10 segment LED bar graph
- Adjustable RF power output
- Professional DSP audio platform
- Works with existing Williams Sound FM receivers
- Works with free WaveCAST iOS or Android apps
- 2-year warranty
Williams Sound FM 558-24 System Includes:
- (1) FM T55 transmitter
- (24) PPA R38N receiver
- (24) EAR 022 surround earphones
- (6) NKL 001 neckloops
- (1) IDP 008 ADA wall plaque
FM 558-24
Note: The FM + connects to the installation location’s Wi-Fi Network. It does not provide a network on its own. The Wi-Fi network will need to be installed and established before the FM + can be used.
Dimensions | 8.45″ W x 8.25″ D x 1.72″H (21.5 cm x 21 cm x 4.4 cm) | |||
Weight | Transmitter: 3.2 lbs (1.45 kg) | |||
Color | Black/Silver with silver legends on the front, white legends on the back | |||
Rack Mount | Standard 19” Rack, one EIA rack space high, 1/2 space wide 1–2 units can be mounted in a single rack space with optional RPK 005 (single) or RPK 006 (double) Rack Mount Kits |
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Power Supply | Desktop Style Transformer (TFP 062); Input: 100-240 VAC, 50/60 Hz. IEC Line Cord; Output: 24 VDC, 750 mA, 18W. 2.5mm ID center positive barrel connector | |||
Power ON Indicator | Push On/Push Off latching power button, backlit green indicates power ON, backlight off indicates power OFF, fading from bright to dark indicates Sleep Mode. | |||
Temperature Range | Operating: +32° F to +122° F (0° C to 50° C); Storage: -4° F to +158° F (-20° C to 70° C) | |||
User Interface | 3.12” High Resolution OLED display with selections via buttons. Hosted Web page. Remote control and monitoring. | |||
Dante | Only available on FM T55 D | |||
Ethernet | RJ-45 on back of unit supports CAT 5e cable lengths up to 328 feet (100 meters); 10/100 Base-T IEEE 802.3 compliant, unique MAC address | |||
RF Section | ||||
Operating Frequencies | 72.1-75.9 MHz , 17 wideband channels (selectable) | |||
Frequency Accuracy | ± 2 ppm stability, 0-50˚ C | |||
Deviation | ± 75 kHz maximum | |||
Pre-Emphasis | 75 microsec | |||
RF Field Strength | Does not exceed 80 mV/m at 3 m | |||
Compatible Antennas | ANT 005, ANT 021, ANT 024, or ANT 025 | |||
Transmission Range | Up to 1000 ft (304 m) with ANT 005 coaxial antenna mounted on rear chassis connector | |||
RF Outputs | (1x) #10-32 stud connector in center of unit (pcb mounted) (1x) F-connector on rear chassis |
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RF Transmit Indicator | 1 Green LED On Air Indicator | |||
RF Power | Full, Medium, Low or OFF indiacted by menu icon. | |||
RF Time Out (sleep mode) | 30 min. duration, 4 hr. duration, or Always On selected via menu. Starts when audio is below -18 dB level with no button pressed for selected duration. | |||
Audio Section | ||||
Audio Processor Functions | DSP based; Compression: 1:1, 1.5:1 or 2:1; High-pass and Low-pass Filter Frequency control | |||
Frequency Response | 31-16000 Hz, ±3 dB (re: 1 kHz, ±3 dB) (“Music” Audio Preset) | |||
Signal-to-Noise Ratio | 67 dB (typical) Transmited RF | |||
Total Harmonic Distortion | Less than 0.25% @ 1 kHz (RF output) | |||
Common Mode Rejection | Greater than 57 dB @ 1 kHz, Mic or Line | |||
Audio Inputs | (1x) Combination 3-pin XLR, 1/4″ (TRS) jack for balanced or unbalanced line level, or balanced or unbalanced microphone with selectable phantom power | |||
Audio Input Gain Adjust | In menu, adjustable to 0 to -50 dB, in 1dB steps | |||
Phantom Power | 14.4 VDC applied through 2.2 kOhms resistors to analog combo jack: Pin 2 and Pin 3 on XLR jack, or tip and ring on 1/4″ TRS jack | |||
Audio Level Indicators | 10-LED array that reads -18 to +9 dB at 3 dB intervals. 7 Green, 2 Amber, and 1 red LED. Green LEDs indicate normal operating audio level peaks, Amber LEDS indicate close to overload peaks, Red LED indicates overload peaks | |||
Headphone Output | 1/4″ TRS stereo jack, mono signal, 14.85 mW at +9dB, maximum in 33 Ω (level adjustable in menu 0 to -40 dB in 2 dB steps) | |||
Line Output | RCA jack (black), -10 dBV (.32 VRMS); Output impedance 100 ohms at +9dB | |||
Input Levels (Bal or Unbal) (at Audio Input Gain = 0dB) |
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Microphone |
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Line |
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Approvals | FCC, RoHS3, WEEE, Industry Canada | |||
Warranty | 2-year parts and labor |
NOTE: Specifications are subject to change without notice.
* Stresses above these ratings may cause permanent damage or degrade reliability.
EAR 022
Style | Around-ear speaker |
Plug | 3.5mm mono |
Cord | 39" |
Driver Size | 23 mm |
Nominal Impedance | 32Ω |
Freq. Response | 20 - 20kHz |
Weight | 15g |
Max Power Input | 30 mW |
Sensitivity | 118 dB @ 1kHz |
IDP 008
10-3/8" (L) x 6-¼" (W) x 1/8" (H)
PPA R38N
Dimensions: |
4.1" x 2.85" x 1.38" (104 x 72 x 35mm) |
Weight: |
4.6oz (130g) with batteries. 2.6oz (73g) without batteries |
Color: |
Black/Silver. Black ABS Plastic case with Aluminum faceplate. |
Battery Type: |
(2) AA Alkaline or (2) AA NiMH Rechargeable |
Battery Life: |
(2) AA non-rechargeable alkaline batteries (BAT 001-2), approx. 50 hrs. |
(2) AA rechargeable NiMH batteries (BAT 026-2), 1500mAh, approx. 32 hrs. |
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Current Consumption: |
52mA nominal |
Operating Temp. Range: |
32° – 122°F (0° to 50°C) |
Channels: |
17 Wideband, accessed via menu |
Operating Frequencies: |
72.1, 72.2, 72.3, 72.4, 72.5, 72.6, 72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7, 75.8, 75.9 MHz* |
FM Deviation: |
75 kHz |
De-Emphasis: |
75 µS |
Display Screen: |
1" OLED |
Power Indication: |
Power button, backlit green. Good battery strength - glows solid. Low battery - flashes. |
Sensitivity: |
2 µV at 12 dB Sinad with squelch defeated |
Input Overload: |
100 mV |
Frequency Response: |
200 Hz – 15 kHz, ±3dB |
Modulation: |
FM, +/- 75 kHz peak deviation |
Signal-to-Noise Ratio: |
Minimum 65 dB @ 1.0V |
Receive Antenna: |
Integral with earphone/headphone cord |
Audio Output: |
35 mW max at 16 Ω |
Headphone Connector: |
3.5 mm stereo jack, mono output for stereo or mono earphones/headphones |
Supplied Earphone: |
Stereo,earbud-type with foam cushion, 3.5 mm plug, 32 Ω |
Power Save Mode: |
Enters sleep mode after approximately 3 minutes of no RF signal |
Approvals: |
FCC, Industry Canada, RoHS, WEEE |
Warranty: |
Lifetime PLUS Limited Warranty, 90 Days on most accessories. |