Notification of the PRICING, our BIGGEST DISCOUNT, BEST DEAL, will be announced by email approximately two weeks before departure to the USA. You will have 72-hours to purchase (the balance owed). If you choose not to buy, CT Sounds will refund your $10 reservation fee within 7 business days. We anticipate orders will ship out 60-90 days after the container ship departs for the USA.


Introducing one of the most seamless and trustworthy car audio amplifiers by CT Sounds; the AT-500.1d Class-D Monoblock Car Amplifier. This car audio amp is truly a marvel to behold and works for more than it says. It’s a pure class D amplifier with a plexiglass bottom at the amplifier back, making the amplifier look beautiful from outside. Another big plus is that the amp has got LED logo on top; the logo lights up when turned on making it look more beautiful. For safety, this amp has got 2 pieces of 30A inline fuses. On top of that, you get an AT Series stock bass knob that has inbuilt digital voltmeter, rotary push-able on/off switch & power/clip indicator.

This amplifier truly is a seamless solution for your car audio subwoofers. If you have similar two amps, you can even strap them together to make a powerful pair working as one. Make sure you connect your subs/ speakers at perfect ohm while it matches with the power ratings as well. Check out for further technical specifications below-


  1. MOSFET PWM (Pulse Width Modulated) power supply
  2. Soft turn on circuitry
  3. 1-Ohm stable mono operation
  4. Built in thermal, DC offset, overload and speaker short protection
  5. Reinforced tiffany style nickel plated RCAs, ensuring low resistance inputs to the amp
  6. LED power and protection indicators
  7. It comes with AT series remote bass knob; the knob includes digital volt-meter; power/clip light indicator & rotary pushable on/off switch. The knob is easily installable using the 8-pin Cat5 connectors on both ends of the black wire (included in the package).
  8. Pure Class-D car audio amplifier

Amplifier Ratings:

  • 1Ω @ 12.8V, 500W (RMS) | 1000W (MAX)
  • 2Ω @ 12.8V, 250W (RMS) | 500W (MAX)
  • 4Ω @ 12.8V, 125W (RMS) | 250W (MAX)

Technical specifications:

  1. No of channel: 1
  2. Frequency response: 10Hz ~ 250Hz
  3. Gain adjustment: 0.2v ~ 5v
  4. Subsonic adjustment: 10Hz ~ 50Hz
  5. Phase adjustment: 0o ~ 180o
  6. Bass boost: 0dB ~ +18dB
  7. Signal to noise ratio: 100dB
  8. Damping factor: 180
  9. Minimum impedance: 1Ω (ohm)
  10. Low pass filter: 35Hz to 250Hz
  11. No of fuses: 2 x 30A (each)
  12. Strappable: Master/Slave switch
  13. Bass knob: Remote gain control, clip light indicator, built in voltmeter & push-able on/off switch


  • 190mm (W) x 54.5mm (H) x 260mm (L)
AT-500.1d Amplifier ® [Reservation Fee]

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