ROLLS MA255 Compact Class D Stereo Amplifier
The Rolls MA255 Compact Class D Stereo Amplifier features 20 watts per channel and a 4-channel integrated audio mixer. The MA255 is an ideal solution for mixing audio in halls projection equipment small presentations and other applications. The mixer features 4 RCA line inputs and a 1/8 (3.5mm) mini input for connecting portable audio devices such as MP3 players (no mic input). Connect a pair of speakers right into the left / right speaker post outputs. Each channel features a level control dial on the front panel. The MA255 features a compact chassis and class D low heat emission allowing it to be in tight spaces where proper ventilation would otherwise be an issue. Four RCA line inputs. Volume controls for each channel. Low noise efficient operation. Small compact size. Class D high efficiency amp. Input Impedance: 10k Ohms. Power Output: 20 watts x2 @ 4 ohms. Voltage Gain: 30dB. THD: 0.05% typical. Efficiency: 85%. Bandwidth: 20Hz - 25kHz. Power Supply: 24VDC. Dimensions: 6.75 x 3.5 x 1.5 (17.14 x 8.89 x 3.8cm). Product Highlights. 20 + 20 Watts. 4-Channel Mixer. RCA Line Inputs x4. Stereo 1/8 (3.5mm) Mini Input. Speaker Outputs. Line Output. Class D Low Heat Emission. Compact Rugged Enclosure.