Product Specifications for Classroom Audio System

PMA-245 Plenum-Mixer Mini Amplifer

• Power Output (RMS): 45 Watts
• Power Input: 18 Volts @ 3.5 Amps
• Weight: 1.1 lbs
• Stereo Inputs: 2 (Line Level)
• Type of Inputs: 1 - RCA; 1 - 3.5 mm
• Dimmensions: 5.43”W x 1.65”H x 4.80”D
• Operating Temperature: 0F to 145F
• Frequency Response: 18 Hz to 22kHz
• Captive Screw Type: Pheonix (Removable)
• Total Harmonic Distortion: .01%

PMA-245 Specifications Sheet PDF

SP-340 Indoor/Outdoor Classroom Speaker

• 3 Way
• Indoor / Outdoor
• Impedance: 4 - 8 Ohm
• Power Handling: 40 Watts Maximum Input
• 4" Polypropylene Dynamic Woofer
• 2" Moisture - Resistant Poly Cone Mid Range
• 3/4" Piezo Dome Tweeter
• Internal Crossover
• Efficiency: 85 db 1 Watt - 1 Meter
• Frequency Response: 90 Hz - 20kHz
• Enclosure: Cast Polystyrene
• Dimensions: 7 3/8" h, 4 5/8" d, 4 5/8" w

SP-340 Specifications Sheet PDF

HMB-200 Plenum Rated HummBuster

• All Metal Enclosure
• Frequency Preformance: 20 Hz to 20 kHz
• Plenum Rated
• Deminsions: 1 3/8" h, 2 1/16" d, 3 3/8" w (Wings Included)
• Detachable Terminal Blocks