DC/AC 9 ~15V Audio Amplifier A30 Pre-amp Amplifier HiFI High Performance Headphone Amplifier DIY K701

  • Item ID #200228

List Price: $35.50 Our Price: $18.50Save 48%

Price(per unit)
Buy More: please contact us

It is a Audio Amplifier/Headphone Amplifier, Power Supply: DC/AC 9 ~15V, It has small size, high efficiency, long term stable and reliable quality,easy installation and use. Suitable for Smartphone, tablet PC, CD player, DAC decoder, digital player etc.

Other Products in Amplifier/Power Supply

page 1 of 2 Previous Page Next Page
Power input:
  • Support DC positive-negative power supply input 9 ~15V, or can use two pieces of 9V batteries charged.
  • Dual AC 12 ~16V, recommend AC dual 15V (15V ~ 0 ~ 15V)
Open introduction:
  • 1. Insert the 3 AC power cord of the E transformer into the connection of the amp power input, and tighten with screwdriver;
  • 2. Connect the audio player with audio incoming line;
  • 3. Set the amp volume to the lowest;
  • 4. After confirming all the correct connection, power on the player first, then power on the amp;
  • 5. Insert the headphone wiring, set suitable volume.
Close introduction:
  • 1. Remove the headphone wiring;
  • 2. Power off the amp;
  • 3. Power off the audio player.
  • 1. Support two types of power input, AC and DC.
  • 2. Strong output driver with two double op amp in parallel.
  • 3. Design for Smartphone, can perfectly match week signal audio player under 1V, such as Smartphone, tablet PC, CD player, DAC decoder, digital player etc.
  • 4. Quiet background without noise.
  • 1. Don't insert or pull out the audio incoming line on the condition of charged!
  • 2. Don't insert or pull out the player on the condition of charged!
  • 3. Please connect the right power incoming line of A30!(For example: Short circuit can't happen among the three power incoming lines.)
Package includes:
  • 1 x Headphone Amplifier


* Required information
Choose a ranking for this item. 1 star is the worst and 5 stars is the best.
NOTE: HTML tags are not allowed.
NOTE: Reviews require prior approval before they will be displayed