	The First Name in Plenum Rated Amplifiers

Classroom Amplification System

Plenum Rated PMA-245

Powerful 45W RMS Output
2 Isolated Inputs: 1-RCA; 1- 3.5mm
Size: 5.43”W x 1.65”H x 4.80”D
Full Stereo Seperation
Short Circuit Protection
18V Regulated Power Supply
Gain Control on Each Input
Quick Connect Pheonix Connections
Frequency Response 18Hz to 22Khz
Low Noise Circuitry
Perfect Classroom Amplification System
Three Year Limited Warranty

3-Way Full-Range SP-340 Classroom Speakers

Three Driver Elements
Internal Crossover
Poly Drivers for Both Inside and Outside Use
Dynamic 90 Hz to 18 kHz Response
4" Woofer, 2" Midrange, 3/4" Tweeter
Rated at 40 Watts
Perfect Classroom Speakers

SP-340

Typical Classroom Speaker Installation

Optional GC-4CLP Grid Clips for SP-340 Classroom Speakers

Quick Installation - No Tools Required
Easily Relocated
Meets Code for Grid Systems

Grid Clip for SP-340

Introducing the New Soultion to Audio Hums

Plenum Rated Hummbuster HMB-200

The Roemtech™ HummBuster has been engineered to remove ground loop issues from classroom sound systems. This issue typically manifests itself as a hum or buzz within the classroom audio system. The HummBuster removes this problem by isolating the ground conductor without compromising the audio quality of the systems overall ground integrity. Your Problem is Fixed!

All Metal Enclosure
Wide Frequency Performance (20 Hz to 20kHz)
Plenum Rated
Detachable Terminal Blocks
3 Year Warranty
Two Isolated Channels for Stereo Applications