With a vast array of input options, the MA455 can accept many audio sources such as Wi-Fi audio streaming devices, AV receivers, computers, hand held devices, and microphones. The ability to add a microphone via the 1/4" jack allows you to ensure that announcements are heard on the zones you want. This feature is ideal for paging mics for offices, bars, restaurants, and stores.
Delivering on All of Your Audio Requirement
The MA455 delivers all of the functionality and quality you would expect from Dayton Audio in a simplified design. With convenience and function at the forefront of design, the MA455 is perfect for use in restaurants, bars, small businesses, stores, office spaces, and other applications in need of easy-to-use multi-zone audio.
Specifications:
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Amplifier type: Class AB
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Power output (RMS): 4 x 55W @ 4 ohms, all channels driven
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Speaker impedance: 4 ohms minimum per zone
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Frequency response: 20-20,000 Hz
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Channel input connections: Stereo RCA line, 1/4" line
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Output connections: Mono RCA line / zone, barrier strip
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Channel controls: Volume, zone selection, bass / treble, mic / line switch
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Zone output controls: Volume, high-pass filter
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Mic input sensitivity: -35 dB
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Mic input impedance: 2 kohms
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Line input sensitivity: -3 dB
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Line input impedance: 20 kohms
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THD: <0.1% @1 kHz, 0 dB
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Mic SNR: <75 dB rated output
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Line SNR: <80 dB rated output
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Line output: +3 dB
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Bass & treble control: ±12 dB
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High-pass filter: 80 Hz
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Media player: USB, SD, Bluetooth, FM radio
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Media player file support: MP3, SBC, WAV, FLAC, APE, WMA
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Media player controls: Play / pause / folder, repeat, track select
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Media player sample rate: 16-bit/44.1 kHz
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Bluetooth: Version 5.0
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Remote control functions: Power, stop, mute, repeat, EQ, play / pause, track select, volume, skip, media player mode
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Power supply: 110/220 VAC, 50/60 Hz
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Certifications: CE, RoHS
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Includes: Amplifier, 4 x screws and anchors, IR remote control, IEC power cable
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Weight: 18.7 lbs.
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Dimensions: 18.7" H x 15.1" W x 3.7" D
With a Dayton Audio 5 year warranty, it’s more than a guarantee, it’s a promise. We stand behind our products and our warranty is a demonstration of our commitment to quality and reliability.