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The Rolls MA2152 is a two rack space mixer/amplifier designed for installed sound applications such as paging and background music in restaurants, houses of worship, schools, and other similar venues. It includes two phantom-powered XLR microphone inputs and three stereo pairs of RCA jacks for input of CD players, AM/FM tuners, and other audio devices. Priority ducking for paging is offered on mic one and RCA source three.
The MA2152 can send an output signal to 4, 8, or 16 ohm speakers, as well as 25V or 70V line systems. Output configurations include stereo, mono 70V, and dual mono 25V. An RCA stereo pair provides a pre-master level record output.
Two rack space unit with an intuitive interface
Two phantom-powered microphone inputs, each with volume and tone controls
Three stereo RCA inputs, each with individual volume controls
Multiple output options - 4 ohms, 8 ohms, 16 ohms, 25V line, and 70V line
Mic: 600 ohms
RCA: 22 k ohms
Amp Insert: 22 k ohms
Mic: 60 dB
RCA: 26 dB
Not Specified by Manufacturer
Total Harmonic Distortion (THD)
Less than 0.08%
2 x 3-Pin XLR Female
3 x RCA Stereo Pairs
2 x 1/4" Amp Inserts (Left and Right)
1 x RCA Stereo Pair
4 x 5-Way Binding Post Power Amp Outs
Controls Front Panel
1 x On/Off Switch
1 x Left Output Volume Control
1 x Right Output Volume Control
1 x Bass Control (for RCA Sources 1 and 2)
1 x Treble Control (for RCA Sources 1 and 2)
5 x Input Level Controls
2 x Mic Tone Controls
1 x Bridge Mono / Stereo/Dual Mono Switch
2 x Phantom Power Switches
2 x Priority Ducking Switches
2 x Stereo/Mono Switches