Rolls MA255 Stereo 20 Watt Mixer Amp, 4-RCA in, RCA line out

The Rolls 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.;.