T35 Rear Panel | Williams Sound PPA 375 specification

Personal PA™ FM Listening System • Model PPA 375

Audio Level Control:	Push-button audio level controls, adjustable to 0 to -50 dB
Audio Level Indicators:	10 LED array that reads +9 to -18 at 3 dB intervals
Power On Indicator:	Green LED indicates power on
Phones Output:	Mono signal, 1/4" TRS stereo jack, 67 mW, maximum in 50 ohms (adjustable 0 to -40 dB)
Audio Input:	Combination 3-pin XLR, 1/4" TRS jack
Line Output:	RCA jack, -10 dBV (.32 VRMS) output, impedance 100 Ω
LCD Menu Controls:	Applications Presets (Music, Voice, Hearing Assist)
(Push-Button Selection)	Bandwidth, Frequency, Audio Input Source (Microphone, Line, Simplex), High Pass Filter, Low Pass
	Filter, Compressor Slope, Compressor Gain, RF Output Power

T35 Rear Panel:

Input Levels (Bal or Unbal):	Nominal (1st Amber LED)	Maximum (Input Overload LED) Absolute Maximum Ratings**
Microphone Simplex-Mic:	-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)
Simplex Mode:	12 volts simplex power (DIN 45596) on the 3-pin XLR connector
RF “Off” Timer:	Turns off RF signal after 1 hour of no audio activity
Common Mode Rejection:	> 57 dB @ 1 kHz, Mic or Line
Total Harmonic Distortion:	< 0.25% @ -10 dB V audio line output, 1 kHz
Approvals:	FCC, RoHS, WEEE
Warranty:	5 years, parts and labor*

**Note: Stresses above these ratings may cause permanent damage. Exposure for extended periods may degrade reliability.

*90 days on accessories.

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

	©2008, Williams Sound Corp. CAT 100H	2

PPA 375 specifications

The Williams Sound PPA 375 is a state-of-the-art personal portable amplifier designed to enhance listening in various environments, ensuring clarity and accessibility for individuals with hearing difficulties or those in need of amplified sound. This versatile device is particularly beneficial within settings such as classrooms, churches, theaters, and guided tours, making communication easier and more effective.

One of the standout features of the PPA 375 is its lightweight, compact design. Weighing in at just over a pound, it allows for easy portability without sacrificing durability. The unit comes equipped with an ergonomic handle and a belt clip, making it ideal for users who need mobility while enjoying amplified sound.

The PPA 375 incorporates advanced Frequency Modulation (FM) technology, which provides reliable transmission over distances of up to 1,000 feet. This ensures that users can maintain a clear audio signal even in larger venues. The system operates on a selection of channels, allowing multiple users to engage in conversations or presentations without interference. This is particularly useful in environments where several groups may be using similar devices.

Another important characteristic of the PPA 375 is its exceptional sound quality. With a built-in speaker and a headphone jack, the device delivers crisp and clear audio, enabling users to enjoy a better listening experience. The adjustable volume control allows users to set their preferred sound level, catering to individual needs.

The PPA 375 is designed for ease of use, featuring a straightforward control interface that allows for quick adjustments. Its long-lasting rechargeable battery supports extended use, making it suitable for long sessions without frequent interruptions. The unit also includes a versatile input option, supporting various media devices such as MP3 players or smartphones, broadening its functionality.

In summary, the Williams Sound PPA 375 is a reliable and efficient audio solution, combining advanced technology, portability, and user-friendly features. With its robust performance and adaptability, it stands out as a valuable tool for enhancing communication and accessibility across various settings, empowering individuals to connect and engage without barriers.