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MA-303 Portable Wireless PA System

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MA303 main thum MA-303su MA-303du thum

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spec sheet Spec Sheet
User Guide
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MA-303 is a compact, ultra light and robust design wireless PA system. This features-loaded and easy-to-use system can be hand carried, or mounted on a microphone stand and is an excellent public address solution for small to medium crowds.

MA-303su: Single-Channel
MA-303du: Dual-Channel


Ideal applications include:

  • School classrooms & halls
  • Places of worship
  • Presentations, seminars and meetings
  • Day-care activities; playground duty
  • Indoor/outdoor gatherings
  • Paging
  • Shopping center & trade show presentations and promotions.
  • Street performers
  • Aerobic and fitness centers
  • Recreational and social activities
  • Key Features
  • Specifications
  • Transmitters
  • Accessories
  • Video
  • Powerful 60-watt output for loud, clear sound.
  • Best-in-class performance.
  • Ultra light, compact & portable
  • Weighs just 2.7 kg (6 pounds)
  • Powerful Class-D amplifier
  • 2-way design (5” LF & 1” HF drivers)
  • 2 power modes: AC & built-in lithium rechargeable battery
  • 9-11 hours of stand-by time per fast charge
  • Built-in 1 or 2 wireless receivers with 16 auto-scannable frequencies
  • One-touch Scan/ACT sync button for easy channel set-up
  • USB music player/recorder with LCD screen. Remote included
  • 3.5mm line input accepts an external MP3, iPod or CD player
  • Built-in one-button alarm/siren for warning of threats
  • 4-level battery meter (25/50/75/100%) for accurate reading
  • Available in black or white color
Portable PA
Max. Power Output 60 Watts
Amplifier Class D
T.H.D. <1%
Frequency Response 50Hz~18kHz
Speaker 1" Tweeter & 5" Woofer
Audio Inputs Wired: 6.3mm (1/4")
Line-In: 3.5mm (1/8")
Audio Output 3.5mm (1/8")
Installation Microphone stand, table mounted.
Power Supply AC: External 100-240V AC switching power supply
DC & Battery: 14.8V/2.6AH rechargeable lithium battery
Charge Time Up to 4 hours (automatic charging management)
Standby Time

MA-303su: Up to 11 hours
MA-303du: Up to 9 hours

Battery Indicator 4-level indicator (25/50/75/100%)
Color Black or white option
Dimensions 210(W)×276(H)×165(D)mm / 8.3(W)x11(H)x6.5(D)"
Weight (battery included) MA-303su: Approx. 2.7kg / 6lbs
MA-303du: Approx. 2.8kg / 6.2lbs
Wireless System
Receiver Channel MA-303su: Single
MA-303du: Dual
Frequency Range UHF 480~934 MHz
Bandwidth 24 MHz
Preset Channels 16
Channel Set-up Scan & ACT sync
Antenna Built-in
Audio Player
Built-in 2.0 USB Port Yes
USB Play & Record LCD displays track name, number, time, recording status.
Patents & Approvals Patented. Telecom and safety regulations approved.
Notes Refer to actual product in the event of product discrepancy.
Frequency range, max. deviation, RF output power and spurious emission to comply regulations of different countries.
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