The ultra-compact, high-power reinforcement speaker system shall be a passive 3-way type with two 5-inch low-frequency loudspeakers, front mounted in a ducted bass-reflex hardwood plywood enclosure with a 45° high-frequency waveguide and titanium dome driver. The enclosure shall be fitted with three 3ž8"–16 threaded mounting points, and shall operate with a separate Control Electronics Unit.

The Control Electronics Unit shall contain a power supply capable of operating from a 120/240V AC 50/60 Hz line, equalization circuitry for amplitude and phase alignment, protection circuitry which automatically activates under high power conditions, RMS limiter which protects the speakers from overheating, active balanced input, active push-pull output, and LED indicators for power on and limiters.

Total harmonic distortion at + 26 dBu at the balanced output loaded with 10kW shall be less than .1% at 1kHz. The “A”- weighted noise level shall be at least 105 dB below maximum rated output of +26 dBu.

The speaker system combined with a 125 W (16 ohm rating) amplifier shall meet the following performance criteria: Frequency response, 60 Hz to 20 kHz plus or minus 4 dB measured in half space at 1 meter on axis with 1ž3 octave pink noise; output of 108 dB SPL measured at 1 meter on axis with peaks of 118 dB SPL when driven with “A”-weighted noise.

High frequency distribution pattern, 45 degrees horizontal by 45 degrees vertical.

Speaker enclosure dimensions shall be 6.75" W x 18.13" H x 7.13" D, weight 16 lbs (7.3 kg).

Control Electronics Unit dimensions shall be 19.00" W x 1.75" H x 7.75" D, weight 7 lbs (3.2 kg).

The speaker enclosure shall be the Meyer Sound UPM-2. The Control Electronics Unit shall be the Meyer Sound P-2.