GA Products
MA50 Mini Amplifier
The MA50 has been designed specifically for use in permanent audio installations where high reliability and premium sound quality are required. The compact size and reliable design with power saving feature, make this amplifier perfect for situations were power will be permanently on for indefinite periods of time.
With a highly efficient class D amplifier capable of delivering 2 X 25W into 8 ohms or 1 X 50W into 4 ohms the MA50 is the ideal product for a wide variety of installations.
Typical Applications:
Meeting room A/V installations
Classroom A/V installations
Interactive kiosks
Point Of Sale
In-vehicle sound systems
Voice alarm systems
Intruder warning systems
Features:
Cost effective
Highly efficient 2 X 25W Class D amplifier
Compact unit with integral fixing points
Detachable screw terminals for ease of installation
Bridgeable to 50W mono
Power save functionality
Separate attenuation for left and right channels
Power Supply included
Separate Bass and Treble controls
Protected against short circuits and overloads
3.5mm Jack or Screw terminals for Line input
2.1mm DC jack or Screw terminals for PSU connections
Specifications:
| Operating Voltage | 12-24V DC, 3A |
| Current Draw | Standby <35 mA |
| On with no signal <70mA | |
| Full power 3A max | |
| Output (12V supply) | 2 X 15W into 4 ohms |
| 1 X 30W into 4 ohms | |
| Output (24V supply) | 2 X 2 5W into 8 ohms |
| 1 X 50W into 4 omhs | |
| Dip switch options | 1 – Mono or Stereo |
| 2 – Low Pass Filter | |
| 3 – Left channel attenuation | |
| 4 – Right channel attenuation | |
| Auto power up level | 30mV or 150mV (depending on attenuation dip switch) |
| Power up from standby | 2 seconds |
| Auto shutdown time | No input signal detected for 5 minutes |
| Connections | DC – 2.1mm DC Jack or Screw terminals |
| Speaker Outputs – Screw terminals | |
| Line In – 3.5m m Stereo Jack or Screw terminals | |
| Frequency Response | 20Hz to 25K Hz |
| Status indicators | Green On – Amplifier On |
| Red On – Amplifier Standby | |
| Red Flashing – Overheat | |
| Red and Green On – Powering up or down | |
| Dimensions | 115mm X 115mm X 36mm (W X D X H) |