Williams Sound PPA T45 NET
Personal PA FM Base Station Transmitter with Network Control


Our Price: $917.00
List Price: $1,019.00
You save 10%! (Low Price Guarantee)
In Stock

Recommended Accessories
The cutting-edge PPA T45Net transmitter offers control or monitoring capability from any remote location, multiple digital audio input options, and an OLED high-resolution screen with easy-to-manage menu navigation.  Features 3 powerful microprocessors and the same high-quality audio and RF performance you’ve come to expect from Williams Sound.  It’s technology that takes the guesswork out of complex audio installation.  Simply select among voice, music, or hearing assistance in the application preset menu, and this transmitter quickly configures itself.  With a range of up to 1000 feet, the PPA T45Net is ideal for large venues where superior coverage is essential.


  • (1) PPA T45NET transmitter
  • (1) ANT 025 antenna
  • (1) TFP 048 power supply


  • Network Control Capability* via ethernet (10-base-T) using any web browser
  • Multiple Digital Audio Inputs (AES, SPDIF) provide direct connection to digital signal sources
  • OLED high-resolution screen with simplified menu navigation, offers comprehensive and convenient access to full system functions
  • DSP Audio Processing
  • Sleek and stylish new design
  • Simple set-up and operation
  • 1000’ operating range
  • OLED display, push-button menus
  • Microprocessor controlled
  • Adjustable RF power output
  • Combo XLR, 1/4" TRS inputs


  • Dimensions: 8.45" W x 8.25" D x 1.72"H (21.5 cm x 21 cm x 4.4 cm)
  • Weight: 3.1 lbs (1.4 kg)
  • Color: Black/Silver with black legends on the front, white legends on the back
  • Rack Mount:
    Standard 19” Rack, one EIA rack space high, 1/2 spacewide
    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 048).
  • Input: 100-240 VAC, 50/60 Hz.  IEC Line Cord.
  • Output: 24 VDC, 0.75A, 18W.  2.5mm ID center positive barrel connector.  
  • Approvals:  UL, CUL, Energy Star V listed.
  • Temperature Range: Operating: +32° F to +104° F (0° C to 40° C)
  • Storage: -4° F to +158° F (-20° C to 70° C)
  • Operating Frequencies: 72.1-75.9 MHz* , 17 wideband channels (selectable)
  • Frequency Accuracy: ±.005% stability, 0-50° C
  • Deviation: ± 75 kHz maximum.
  • Pre-Emphasis: 75 µsec.
  • 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.
  • Audio Processor Functions: DSP.  Reduced or Normal Compressor Gain, High Pass and Low Pass Filter Frequency control
  • Frequency Response: 22 – 16000 Hz, ±3 dB (flat setting)
  • Signal-to-Noise Ratio: =70 dB
  • Total Harmonic Distortion: Less than .25% @ -10 dB V audio line output, 1KHz
  • Common Mode Rejection: >57 dB @ 1 KHz, Mic or Line
  • Test Tone:  400 Hz
  • Audio Level Control: In menu, adjustable to 0 to -50 dB
  • 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.
  • RF Transmit Indicator: 1 Green LED
  • Power On Indicator: Power button backlit Green indicates power on
  • Phones Output: Mono signal, 1/4” TRS stereo jack, 67 mW, maximum in 50 ohms (adjustable 0 to -40 dB)
  • Audio Inputs:
    (1x) Combination 3-pin XLR, 1/4” TRS jack for Mic or LineLevel Analog Audio.  Balanced or Unbalanced Line Level, or Microphonewith Selecatble Phantom Power.
    (1x) XLR for Digital Audio, AES3/EBU
    (1x) RCA for Digital Audio, S/PDIF
  • Line Output: RCA jack, -10 dBV (.32 VRMS) output, impedance 100 O
  • RF Outputs: (1x) #10-32 stud connector in center of unit (pcb mounted), (1x) F-connector on rear chassis
  • Ethernet: RJ-45 on back of unit (PPA T45NET only)
  • Menu Settings: Application Presets (Music, Voice, Hearing Assist, Custom), Frequency/Channel selection, Frequency/Channel mode, Audio Input Source (Microphone, Line, Phantom), High Pass Filter, Low Pass Filter, Compressor Gain, RF Output Power, Screen Saver Delay, Test Tone, Companding, Headphone Volume, Phantom Power
  • RF “Off” Timer: Turns off RF signal after 1 hour of no audio activity (timer on/off selectable in menu)
  • Input Levels (Bal or Unbal):
    Nominal (1st Amber LED)
    Maximum (Input Overload LED)
  • Absolute Maximum Ratings**
  • Microphone:
    -60dBV (1 mV RMS)
    -20 dBV (100 mV RMS)
    +20dBV (10.0 V RMS)
  • Line:
    -8dBV (400 mV RMS)
    +16 dBV (6.3 V RMS)
    +20 dB V (10.0 V RMS)
  • Max. Phantom Power: 12 volts (DIN 45596) on the 3-pin XLR?connector
  • Approvals: FCC, RoHS2, WEEE, Industry Canada, Energy StarV

NOTE: These specifications are PRELIMINARY.  Specifications are subject to change without notice.

Single Rack Mount Kit for 1/2 Space UnitsWilliams Sound RPK-005 Single Rack Mount Kit for 1/2 Space Units

Single Rack Mount Kit for 1/2 Space Williams Sound Units.

In Stock

Free Shipping Available

Our Price:$55.80List Price: $62.00You save 10%!

Antenna,Telescoping WhipWilliams Sound ANT-025 Antenna,Telescoping Whip

Telescoping whip antenna for the PPA T35 transmitter.

In Stock

Our Price:$14.40List Price: $16.00You save 10%!

Mic, Headset XLR For T35/MODWilliams Sound MIC-094 Mic, Headset XLR For T35/MOD

Noise-cancelling headset microphone for the T35. The comfortable, behind-the-head design fits securely for long usage. 39" cable. 

Usually ships in 7-14 business days.
Need it sooner? Call us!

Our Price:$96.60List Price: $138.00You save 30%!

Remote Antenna KitWilliams Sound ANT 034 Remote Antenna Kit

The Williams Sound ANT 034 is a remote antenna kit for RPK005 mount. Includes antenna, RF barrel connector with insulating washers and 3 foot RG-59 Coax Cable.Williams Sound ANT 034 Specifications: Used With:  Williams Sound T45, ...

Usually ships in 7-14 business days.
Need it sooner? Call us!

Our Price:$71.40List Price: $102.00You save 30%!

Remote Antenna with Right Angle KitWilliams Sound ANT-029 Remote Antenna with Right Angle Kit

Remote antenna kit with right angle bracket, F Connector, 36" Coax.

Usually ships in 7-14 business days.

Our Price:$76.50List Price: $102.00You save 25%!

Antenna 75ohm Coax 22Ft Williams Sound ANT-005 Antenna 75ohm Coax 22Ft

Extends 22’. This optional antenna can be used with any Personal PA system or large-area FM transmitter. The 50´ Antenna Extension Cable (WCA 008 50) can also be used. Provides maximum system range.

Usually ships in 7-14 business days.
Need it sooner? Call us!

Free Shipping Available

Our Price:$88.20List Price: $98.00You save 10%!

Rack Kit, Dual Williams Sound RPK-006 Rack Kit, Dual

Dual rack mount kit for half-rack space products.

Usually ships in 7-14 business days.
Need it sooner? Call us!

Our Price:$58.50List Price: $65.00You save 10%!

Antenna for PPA TransWilliams Sound ANT-021 Antenna for PPA Trans

Rubber duckie antenna for PPA transmitters, 72-76MHz, 6 in.

Usually ships in 7-14 business days.
Need it sooner? Call us!

Our Price:$26.10List Price: $29.00You save 10%!

Click to download

Add to Cart

We're sorry, only of this item available

Call a Sales Pro at 800-356-5844 for more information

© 2016 Full Compass Systems, LTD  9770 Silicon Prairie Parkway, Madison, WI 53593  All rights reserved.

We are not responsible for typographical errors in pricing or product specification
inaccuracies in our catalog or web site. Prices are subject to change without notice.