Marketing description

PTA4 gives you the power and versatility you need in a professional sound system. Its wide frequency response makes it suitable for amplifying music or vocal program material. The front located 3.5 mm jack allows you to connect the input of various of MP3 devices conveniently and the microphone pager/mixing function offers the flexibility of using it at paging or musical events. It can be used for meeting halls, house, restaurant, school, stores, live bands, or office.

Key selling points

• Power on/off and LED indicator
• CD/MP3 3.5 mm AUX input jack (front)
• MIC volume control
• Master volume control
• Balance control
• Bass and treble controls
• Switchable microphone pager and mixing modes
• 1/4" microphone input jack
• AUX 1/AUX 2/CD RCA inputs
• REC RCA output
• Push type speaker terminal
• Replaceable power fuse

Product features

• Power on/off and LED indicator
  Main power switch, the indicator lights when the amplifier is turned on.
• CD/MP3 3.5 mm AUX input jack (front)
  It lets you easily connect the computerized MP3 device (player) sources, such as PC (CD ROM), laptop, Walkman, iPod, and cell phone.
• Microphone volume control
  It lets you adjust the volume of connected Microphone to the proper setting.
• Master volume control
  It lets you control the overall volume level. It doesn't affect the volume of microphone.
• Balance control
  It lets you adjust the sound balance between the left and right of amplifier outputs.
• Bass and treble controls
  It allows you to boost or attenuate bass and treble for the desired sound.
• 1/4" microphone input jack
  It lets you connect a microphone with a 1/4" plug.
• AUX 1/AUX 2/CD RCA inputs
  It lets you connect high level audio sources such as CD player, tape deck, tuner, camcorder, or VCR.
• REC RCA output
  It lets you connect the amplifier to a tape deck for recording.
• Push type speaker terminal
  It lets you easily connect speaker wires directly to the amplifier. The speaker impedance can be ranged from 4 to 8-ohm for the general stereo output.
• Replaceable power fuse
  The amplifier uses a fuse for protection against surges and short circuit.