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FM+ 558 PRO System - 4 Receivers and Install Accessories

Model: FM 558 PRO

System Includes:
(1) FM T55C transmitter
(4) PPA R38N receivers
(4) EAR 022 surround earphones
(2) NKL 001 neckloops

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The FM+ 558 PRO system is designed for small venues, providing assistive listening, language interpretation, or audio description with essential installation accessories.

The easy-to-install transmitter delivers dual real-time FM and Wi-Fi audio with DSP audio processing for clear, high-quality sound. Venues can control the transmitter via third-party room controls for seamless operation.

The R38 handheld receivers feature a bright OLED screen for easily selecting 17 preset wideband frequencies (72.1–75.9 MHz) and support unlimited listeners.

The system includes earphones, neckloops, a charging station, and an ADA sign to promote accessibility. Installation is quick and simple with the included coaxial antenna and rack panel kit.

System Includes:
(1) FM T55C transmitter
(4) PPA R38N receivers
(4) EAR 022 surround earphones
(2) NKL 001 neckloops
(2) BAT KT6 two-bay chargers and rechargeable batteries
(1) ANT 005 remote coaxial antenna
(1) IDP 008 ADA wall plaque
(1) RPK 005 rack panel kit

Spec Sheet available - Yes

FM+ C:
•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
•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 T55C 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 Degrees 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
•RF Transmit Indicator: 1 Green LED On Air Indicator
•RF Power: Full, Medium, Low or OFF indiacted by menu icon
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% at 1 kHz (RF output)
•Common Mode Rejection: Greater than 57 dB at 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 OHMS (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): Nominal (1st Amber + 3dB LED): Overload Warning (Displayed on Screen): Absolute Max. Rating
•Microphone: -55 dBV (1.7 mV RMS): -22 dBV (80 mV RMS): +20 dBV (10.0 V RMS)
•Line: -25 dBV (55 mV RMS): +16 dBV (6.3 V RMS): +20 dBV (10.0 V RMS)
•Approvals: FCC, RoHS3, WEEE, Industry Canada
•Warranty: 2-year parts and labor
ANT 005:
•Use with: PPA T45, PPA T55, PPA T55C, PPA T27 Transmitters
•Connector type: F-connector
•Cable type: RG 59 coax
•Nominal Impedance: 75 Ohm
•Total Cable Length: 22 ft
•Active Antenna Length: 80 in
EAR 022:
•Style: Around-ear speaker
•Plug: 3.5mm mono
•Cord: 39"
•Driver Size: 23 mm
•Nominal Impedance: 32 OHMS
•Freq. Response: 20 - 20kHz
•Weight: 15g
•Max Power Input: 30 mW
•Sensitivity: 118 dB at 1kHz
IDP 008: 10-3/8" (L) x 6-¼" (W) x 1/8" (H)
NKL 001:
•Color: Black
•Weight: 1.5 oz
•Length: 18.5” cord
•Connector: NKL 001: 3.5 mm mono plug NKL 001-S: 3.5 mm stereo plug with ring disconnected
•Impedance: 8-16 Ohms
•Input Power: 500 mW max
•Magnetic Field Strength: 25 mW input at 1000 Hz produces 1.7 A/m 6” above the center of loop 85µW input produces 0.1 A/m (IEC Standard)
•Approvals: RoHS, WEEE
•Warranty: One Year
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.
•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 uS
•Display Screen: 1" OLED
•Power Indication: Power button, backlit green. Good battery strength - glows solid. Low battery - flashes.
•Sensitivity: 2 uV 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 at 1.0V
•Receive Antenna: Integral with earphone/headphone cord
•Audio Output: 35 mW max at 16 ohms
•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 OHMS
•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

EAR 022 - Surround Earphone

PPA R38N - PPA R38 FM Receiver

MCAT-294D-822-FM-558-Cutsheet.pdf 519743 kb - Data Sheet

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MAN-245I-822-FM-T55-Manual.pdf 480264 kb - Instructions

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