Rolls MA2355 5-Input Mixer/Amplifier

Rolls MA2355 5-Input Mixer/Amplifier

Rolls MA2355 5-Input Mixer/Amplifier

B&H # ROMA2355 MFR # MA2355
Rolls MA2355 5-Input Mixer/Amplifier Back View

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Product Highlights

  • Ideal for Paging and Background Music
  • XLR and RCA Connectors
  • Bass and Treble Controls
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Rolls MA2355 Overview

  • 1Description

The MA2355 from Rolls is a single rack space unit mixer/amplifier designed for paging and background music in installed applications. It has 2 XLR microphone inputs and 3 stereo pairs of RCA jacks for CD players, AM/FM tuners and similar audio devices. The MA2355 provides 35 watts of power into 8 ohm speakers.

Other features include direct access to the power amp section via a 1/4" connector, bass and treble controls on sources one and two, a stereo pre-master record output, and spring-loaded output terminals. Priority ducking for paging is provided on microphone one and RCA source three.

Single rack space unit
Five inputs - 2 mic, 3 RCA stereo pairs
Phantom power on mic inputs
Tone controls for each mic input
Bass and treble controls on sources one and two
Direct access to power amp section
Stereo pre-master level RCA record output
UPC: 675889235500
In the Box
Rolls MA2355 5-Input Mixer/Amplifier
  • User Manual
  • 1 Year Limited Warranty
  • Table of Contents
    • 1Description

    Rolls MA2355 Specs

    Output Power 35 watts into 8 ohms
    Input Sensitivity Mic: -14 dBV
    RCA: 24 dBV
    Amp Insert: 24 dBV
    Input Impedance Mic: 600 ohms
    RCA: 22 k ohms
    Amp Insert: 22 k ohms
    Gain Mic: 60 dBV
    RCA: 26 dBV
    Frequency Response 60Hz - 20kHz
    Signal-to-Noise Ratio 96 dBV
    Total Harmonic Distortion (THD) 0.06%
    Input Connections 2 x 3-Pin XLR Female
    3 x Stereo Pairs of RCA Jacks
    2 x 1/4" Power Amp Inserts (Left and Right)
    Output Connectors 1 x RCA Stereo Pair
    2 x Spring-Loaded Speaker Outputs (Left and Right)
    Controls Front Panel Power Switch
    5 x Volume Level Controls
    2 x Mic Tone Controls
    1 x Bass Control Knob
    1 x Treble Control Knob
    1 x Left Output Level Knob
    1 x Right Output Level Knob
    Controls (Rear) 2 x Stereo/Mono Selector Dipswitches
    2 x Priority Dipswitches
    2 x Phantom Power Dipswitches
    Indicators Power and Clip LEDs on Front Panel
    Cooling Front Panel Acts as Heatsink
    Power Consumption Not Specified by Manufacturer
    Dimensions (WxHxD) 19 x 1.75 x 5" (483 x 44 x 127 mm)
    Weight 5.5 lbs (2.5 kg)
    Specialties N/A
    Packaging Info
    Package Weight 8.0 lb
    Box Dimensions (LxWxH) 21.5 x 8.0 x 4.0"

    Rolls MA2355 Reviews

    MA2355 5-Input Mixer/Amplifier is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Basic and dependable, plus a few options For what it does, five stars. I've used it in two different theaters, and in the same role; as a hard-wired, zoned, completely independent backstage monitor system. This is not a piece of gear for lots of flexibility, it is gear to stick in the rack and make a turn-key solution to actors being able to hear from back in the dressing rooms. The two preamps are clean enough and have switchable phantom power. Program can be added in as well. There is a defeat-able ducking function in case you want to use one input as a paging mic. The amps deliver plenty of power into 4-12 ohms, enough to drive the actors out of the dressing room easily. One trick, however, if you want a string of speakers, make sure to wire in series; if the load drops below 4 ohms the amp will go into a cyclic thermal shutdown (and may be permanently damaged). The manual isn't good, and Rolls doesn't answer emails, but if you read it carefully you will have no problems with this device.
    Date published: 2014-04-02
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