MPA 401-70V and MPA 401-100V Features
Patented CDRS (Class D Ripple Suppression) — CDRS is an Extron patented technology that eliminates high frequency switching ripple and EMI emissions found in all Class D amplifiers. CDRS dramatically improves audio performance over conventional Class D amplifier designs and enables Extron power amplifiers to be situated near wireless A/V devices without RF interference.
UL 2043 plenum rated — The amplifiers meet UL 2043 for smoke and heat release for installation within a plenum airspace above a drop ceiling.
Balanced and unbalanced buffered audio inputs — Both amplifiers accept balanced or unbalanced, stereo or mono audio input signals on a captive screw connector, and unbalanced audio on both RCA connectors and a 3.5 mm stereo mini jack.
The signals from multiple inputs are summed to produce a single output signal (see figure 6 on page 9).
The three stereo inputs are individually buffered and can be connected to three separate sources at the same time without altering performance.
ENERGY STAR® qualified amplifiers — The MPA
Auto
Front panel bass, treble, and input level controls — Bass, treble, and input level are easily adjusted from the front panel.
Fanless design — The amplifiers do not require fans or vents for cooling, ensuring quiet, reliable operation.
Automatic clip limiter — Detects actual onset of clipping by comparing input and output waveforms. Gain is automatically reduced with a slow attack and fast release to eliminate clipping. This advanced limiter design protects the speakers from clipping distortion and offers superior sonic characteristics compared to limiters that use signal compression.
Remote volume and mute control port — A rear panel,
Compact size — The 1U, quarter rack width, 6 inch deep metal enclosure, offers flexible mounting options.
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