MA-505B Portable Wireless PA System


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Includes the following:
MA-505B Portable Wireless PA System
Batteries Included
No Accessories


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

  • 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


  • Robust, rugged enclosure, 145-watt portable PA system with 8 " woofer and 1 " tweeter.
  • Up to 4 UHF or ISM band receiver modules and built-in active dual antennas for improved reception distance and stable signal quality.
  • Built-in active antenna prevents accidental antenna breakage.
  • CD/MP3 player or MP3 player & recorder, plus certified Bluetooth receiver for music streaming.
  • Voice Priority mutes music when a wireless mic is used.
  • Built-in one-button fade-in alarm/siren for warning.
  • Wirelessly link 2 or more MA-505 systems for more sonic coverage (industry’s only MT-91 transmitter module is required).
  • Built-in AC-switching power supply for universal usage and fast battery charge.
  • Built-in storage compartment for AC power cable.
  • Can be powered via AC power or lithium rechargeable battery.
  • Weighs only 8.5 kgs | 18 lbs. fully loaded.
  • Ideal for medium sized crowds and applications.
                       Portable PA
  Power Output 100 Watts (rms) / 4Ω, 145 Watts (max) / 4Ω  
  Amplifier Class D  
  Sensitivity Typical: 91 dB | Maximum: 109 dB  
  T.H.D. < 1%  
  Frequency Response 50 Hz ~ 18 kHz  
  Speaker 1 " Tweeter & 8 " Woofer  
  Coverage H 130° × V 90°  
  Audio Inputs Wired: XLR × 1, Ø 6.3 mm (1/4 ") × 1
Wireless: Up to 4. 2 Built-in & 2 External Detachable
Audio Player: CDM-2︱DPM-3
Line-In: Ø 3.5 mm (1/8 ") mini-jack
  Bluetooth Connectivity Yes  
  Audio Output Ø 3.5 mm (1/8 ") mini-jack  
  Extension Speaker Unbalanced Ø 6.3 mm (1/4 ") jack  
  Volume Individual volume control  
  Controls Voice priority, Tone 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 ~ 240 V AC switching power supply (Max. Power Consumption: 165 W)
DC & Battery: External DC connector. Built-in 22.2 V /4.5 AH rechargeable lithium (MB-35 × 1)
  Charge Time 4 hours (automatic charging management)  
  Standby Time > 8 hours  
  Battery Indicator 4-level LED indicator (25/50/75/100%)  
  Color Black  
  Dimensions (W × H × D) 275 × 400 × 225 mm / 10.8 × 15.7 × 8.9 "  
  Weight Approx. 8.5 kg / 18.7 lbs (MB-35 battery included)  
  Wireless System (optional)  
  Built-in Fixed Receiver  1 or 2 with Scan & ACT sync  
  Detachable Module Receiver  1 or 2 MRM-70B︱MRM-70W︱MRM-80︱MRM-24︱MRM-58  Scan & ACT sync  
  Frequency Range

MRM-70B︱MRM-70W︱MRM-80: UHF 480 ~ 934 MHz (country dependent)
MRM-24: 2.4 GHz
MRM-58: 5.8 GHz

  Preset Channels & Bandwidth See Accessories - Receiver Modules   

See Accessories - Receiver Modules 

  Microphones MM-107︱MM-39︱MM-59 Wired Dynamic Microphone  
  Interlinking Transmitter MT-91 module  
  Installation Plug-n-play for optional modules  
  Antenna Built-in active high efficiency dual antenna  
  Audio Player (optional)  
  Model CDM-2︱DPM-3  
  Installation Plug-in Module  
  Note Refer to actual product in the event of product description discrepancy.





MM-107MM-107 ACT-32HACT-32H ACT-32TACT-32T MU-53LMU-53L MU-55LMU-55L MU-53HNMU-53HN MU-55HNMU-55HN  
8CD00368CD0036 DPM3DPM3 MRM-70BMRM-70B MT-91MT-91 MB-35MB-35 SC-50SC-50 HSS-01HSS-01 HMS-02HMS-02








MA-505 Portable Wireless PA System


  • Model: MA505B
  • Shipping Weight: 8.5kg
  • Manufactured by: MIPRO