MA4

4-channel Class-D power amplifier

The new MA amplifier series combines the best performance with the smallest installation dimensions and also looks timelessly elegant. The high-quality die-cast aluminum enclosures are not only particularly attractive and have a perfect gunmetal surface finish, they are also particularly effective in terms of heat dissipation and enable maximum performance in the smallest possible size. In addition, the removable aluminum cover plate on the top conceals the newly developed LED lightbar, the integrated setting tool and numerous setting options, such as active filters: high & low pass, GAIN settings as well as high-level input voltage and input resistance. The new power amplifiers impress with high performance values, sensationally low THD+N distortion and full equipment: stackable, detachable connection plugs, variable mounting feet, hidden mounting holes, rotatable top cover by 180°, active filter, EPS load and much more.

Product features

4-channel Advanced Class-D amplifier in high-quality die-cast aluminum housing in gunmetal finish with 4 x 105 W RMS at 4 Ω, 4 x 185 W RMS at 2 Ω and 2 x 368 W RMS at 4 Ω bridged. Signal-to-noise ratio 83 dB, damping factor @ 4 Ω >165, distortion THD+N 0. 005% @5 W 1 kHz, high-pass active filter CH 1/2 & CH 3/4: 15 - 300 Hz | 300 - 6000 Hz, low-pass active filter CH 3/4: 15 - 300 Hz | 300 - 6000 Hz, subsonic via HP, auto-sense on function (SIG / DC), gain setting 0.45 - 6 V, adjustable high-level input voltage 1 - 15 V | 15 - 40 V, adjustable high-level input impedance 10 | 150 | 600 Ω, switchable audio input signal on CH1-4, 4 high-level inputs, 4 low-level (RCA/cinch) inputs, removable power & audio signal plugs, variable mounting feet and additional blind holes for concealed mounting, removable and rotatable aluminum top plate and integrated adjustment tool for active filters and GAIN, LED status lightbar, stacking of several amplifiers possible incl. Level remote control and high-level cable. Dimensions (LxWxH) 184 x 160 x 51 mm. 

Technical data

Kanäle
4
Verstärkertechnologie
Class-D
Amplifier power on 1 | 2 Ohm
4x185
W(RMS)
Verstärkerleistung an 4 Ohm
4x105
2x368
W(RMS)
Digitaler Soundprozessor (DSP)
no
Auto-Sense On Funktion
SIG
/
DC
Hi-Lo Eingänge, SPDIF Eingang
4
/
no
Lo-Level Subwoofer Ausgang
no
Pegelfernbedienung
yes
Maße (LxBxH)
184x160x51
mm
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