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MA-505 Portable Wireless PA System

Mipro MA-505 Portable Wireless PA System
Mipro MA-505 Portable Wireless PA System
User Guide
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MA-505 delivers unparalleled audio performance and craftsmanship. The rugged one-piece speaker cabinet houses a high efficient class-D amplifier that drives high sensitivity two-way loudspeakers and limiter circuitry reduces distortion and increases intelligibility for guaranteed powerful and clear sound. Built-in digital audio player with optional CD player and interlinking transmitter/receiver package for extended transmission range. It offers an ideal public address solution for medium crowds.

Ideal applications include:

  • School classrooms & halls
  • Places of worship
  • Presentations, seminars and meetings
  • Day-care activities; playground duty
  • Indoor/outdoor gatherings
  • Weddings & funeral services
  • Shopping center & trade show presentations and promotions.
  • Street performers
  • Aerobic and fitness centers
  • Recreational and social activities
  • Key Features
  • Specifications
  • Transmitters
  • Accessories
  • Video

  • 145-watt power of loud and clear sound via high efficient class-D amplifier.
  • Powerful and crystal-clear sound projection.
  • Built-in 1 diversity receiver with options for 3 diversity receiver expansion.
  • One-touch Scan & ACT sync buttons for fast and easy channel set-up.
  • Rugged one-piece molded enclosure houses 1 " titanium compression driver & 8 " woofer.
  • Industry’s only MT-91 wireless interlinking transmitter option to interlink multiple MA-505 portables wirelessly to extend transmission range and expand coverage.
  • Amplification from a variety of audio sources such as both wired and wireless microphones, MP3/CD players, etc.
  • A voice priority feature that mutes the music when wireless microphone is used.
  • Built-in alarm siren provides emergency warnings.
  • Built-in AC switching power supply for universal usage and fast battery charge.
  • A smart 4-segment battery meter for accurate battery reading and charging status.
  • Fits speaker stand with a built-in cable storage compartment.
  • AC and lithium rechargeable battery operation.
  • Up to 8 hours of stand-by time per 4-hour full charge.
  • Available in black or white color.
  • 100% design and made in Taiwan.
Portable PA
Power Output 100W(rms)/ 4Ω,145W(max)/ 4Ω
Amplifier Class D
Sensitivity Typical: 91 dB | Maximum: 109 dB
T.H.D. < 1%
Frequency Response 50 Hz~18 kHz
Speaker Tweeter: 1" Tweeter
Bass: 8" Woofer
Audio Inputs Wired: XLR balanced & unbalanced 6.3 Ø mm (1/4 ")
Wireless: Up to 4. 2 Built-in & 2 External Detachable
Audio Player: Built-in DPM-3 or optional CDM-2, CDM-2A, CDM-3A
Line-In: 3.5 Ø mm (1/8 ") mini-jack
Bluetooth Connectivity Yes
Audio Output 3.5 Ø mm (1/8 ") mini-jack
Extension Speaker Unbalanced 6.3 Ø mm (1/4 ") jack
Volume Individual volume control
Functions VOP, Tone control or optional Echo control
Alarm Siren Siren sound with fade-in mode
Storage For AC power cable
Installation Hand carry, Flat surface or on a speaker stand.
Power Supply AC: Built-in 100~240V AC switching power supply
DC & Battery: External DC connector. Built-in 25V/4.5A rechargeable lithium
Charge Time Up to 4 hours (automatic charging management)
Standby Time Up to 8 hours
Battery Indicator

4-level LED indicator (25/50/75/100%)

Color Black, White
Dimensions (W × H × D) 285 × 400 × 225 mm (11.2 × 15.7 × 8.9 ")
Weight (battery included) Approx. 8.5 kg (18.7 lbs)
Wireless System
Detachable Module Receiver 1 or 2 MRM-70B Scan & ACT sync
Built-in Fixed Receiver 1 or 2 Scan & ACT sync
Frequency Range 480~934 MHz (country dependent)
Preset Channels & Bandwidth 16 preset channels in 24 MHz frequency band.
Antenna Built-in proprietary active high efficiency antenna
Interlinking Transmitter MT-91 module
Installation Plug-n-play for optional modules
Digital Audio Player
Audio Player DPM-3, CDM-3A, CDM-2, CDM-2A
Audio Remote Control DPM-3 – detachable or on-board
Patents & Approvals Patented. Telecom & safety regulations approved.
Notes Refer to actual product in the event of product description discrepancy.
Frequency range and maximum deviation comply with the regulations of different countries.


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