Rolls MA2355 Single Rack Stereo Mixer Amplifier

The MA2355 is a single rack space mixer amplifier designed for small installation applications. The unit provides a compact and efficient way to mix up to three sources such as AM/FM tuners, CD players, and video players with up to two microphones. Priority talkover is provided on Microphone One for paging, and on Source Three for a jukebox, telephone, etc. The power amplifier provides 35 Watts of power connected to 8 ohm speakers. IMPORTANT NOTICES: THE FRONT PANEL ACTS AS THE HEAT SINK FOR THIS UNIT AND MAY GET HOT UNDER A HEAVY LOAD.

Key Features

• Two Microphone inputs with phantom power
• Tone controls for each Mic input
• Three stereo Source inputs
• Direct access to the power amp section
• Bass and Treble controls on Sources Two and Three
• Priority ducking on Mic Two and Source One
• Dual pre-master level Record Output
• Fault protected power amp
• Spring-loaded output terminals
• Clip indication
• FR4 Double-sided epoxy circuit board
• Socketed ICs
• Made in the U.S.A

Technical Specifications

MIXER
Input Impedance
Mic
600 Ohms XLR balanced
Source
22K Ohms RCA
Insert
22K Ohms 1/4” TS unbalanced
Max Input Level
Mic
-14 dBV Mic level Max
Source
24 dBV
Insert
+ 20 dB
Connectors
2: XLR, 6: Stereo RCA, 3: 1/4” TRS, 1: 1/4” TS
Phantom Power
+12 VDC
Max Gain
Mic
60 dB
Source
26 dB
Tone Controls
+/-12 dB 100 Hz Bass, +/-12 dB 11kHz Treble
Noise Floor
- 80 dB
S/N Ratio
96 dB
Priority Attenuation
60 dB
POWER AMP
35W/ch 4ohm 30W/ch 8ohm
20% Full/Low pwr
4 Ohms / Channel
Frequency Response
20Hz to 20 kHz
Size
(W x H x D): 19” x 1.75” x 5”, (48 x 4.5 x 12.7)
Weight
5.5 lbs (2.5 kg)