Inter-M MA-224U เครื่องขยายเสียง 240W PUBLIC ADDRESS MIXING AMPLIFIER, USB/ MINIJACK INPUT, 6 AUDIO INPUTS, 5 ZONE SELECTOR, SMPS, CHIME,TEL IN, REMOTE VCA

The MA-224U is a 6-Input 60/120/240-watt mixer/amplifier with a built in digital portable media player that will playback MP3 / WMA / WAV audio files. The MA-U series offers input flexibility with its 6 flexible microphone and line level selectable inputs.

Input options include 5 selectable microphone or line level, a telephone and a dual RCA sum-to-mono. The A front panel 1/8″ mini-jack makes it easy to plug-in a portable music source.

The MA-U series uses a Class D amplifier topology combined with a SMPS, Switch mode power supply for added energy efficiency in a compact size.

Feature

· Built in MP3 / WMA / WAV player. Audio files are accessible via the front panel USB connector.

· SMPS – Switch Mode power supply technology design delivers high power output with low-power consumption and low weight.

· 6 input mixer amplifier with 5 microphone or line level selection (line-level input, mic level input, and phantom power)

· Signal indicator confirms and displays signal present for each input.

· 5-Band Equalizer for precision tone adjustment.

· Five zone speaker selector switch, allows for independent or all zone broadcast.

· Front panel CHIME and SIREN with external trigger.

· External MUTE and Telephone paging input.

· VCA remote master volume level control.

· 10 segment LED level indicator

Specification

MA-206U MA-212U MA-224U
Rated Output (RMS) 60W 120W 240W
Frequency Response (SP OUT/1W output) 80Hz - 15kHz
Total harmonic Distortion (T.H.D @ Rated output, 1kHz) Less than 0.5% 
Signal to Noise Ratio (S/N @ Rated output) Better than -78dB 
GRAPHIC EQUALIZER
(100Hz,330Hz,1kHz,3.3kHz,10kHz) ±12dB
Input sensitivity / Impedance
INPUT 1~5 MIC -50dBu / 2kΩ
LINE -10dBu / 2kΩ
INPUT 6 -10dBu / 10kΩ
TEL IN 0dBu / 10kΩ
EXT IN 0dBu / 20kΩ
AMP IN 0dBu / 47kΩ
MIX OUT / Impedance 0dBu / 10kΩ
Speaker Out /
Impedance LOW-Z 15.5V / 4Ω 22V / 4Ω 31V / 4Ω
HIGH-Z 100V / 167Ω 100V / 83Ω 100V / 42Ω
Operating Temperature -10℃ ~ +40℃ / 14℉ ~ 104℉
Power Source 100–240VAC, 50/60Hz
Power Consumption (1/8W output) 38W 50W 75W
Weight (SET) 5.4kg/11.9lb 6.7kg/14.8lb 8.0kg/17.6lb
Dimension (SET) 420(W) x88(H)x328(D)mm/16.5(W)x3.5(H)x12.9(D)in