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DD Audio 12 Channel 31 Band Parametric EQ Active Pre-Amp Signal Processor DSI-3

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Original price $711.99
Original price $711.99 - Original price $711.99
Original price $711.99
Current price $569.00
$569.00 - $569.00
Current price $569.00

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  • 31 band Parametric / Graphic Equalizer, Crossovers, and Time Alignment
  • Bluetooth Compatible
  • 6 Customizable EQ Presets, 6ch High-level Inputs, 6ch High-level Inputs, 6ch Low-level RCA Inputs
  • 12ch Low-level RCA Outputs

DD Audio 12 Channel 31 Band Parametric EQ Active Pre-Amp Signal Processor DSI-3

This listing includes:

(1) 12 Channel Signal Processor

The DSI-3 audio signal processor will allow you to precisely tune the acoustics of a vehicle's audio system for maximum listening pleasure. With features like 6ch summable input, 12ch output, Bluetooth 5.0 audio streaming, and 31 band parametric EQ this DSP can easily handle the increased interfacing and tuning needs of today's multi channel audio systems. The DSI-3's  has an advanced tuning suite for easy system setup and the mobile user interface is compatible with and Android for on the go tuning and control. For even more installation flexibility you can add the optional DSI-3RMT for remote control of the master volume, preset selection, and subwoofer level.


  • PC and Smartphone Graphic User Interfaces

  • 31 band Parametric / Graphic Equalizer, Crossovers, and Time Alignment

  • Bluetooth Compatible

  • Remote Controllable (w/ optional DSI-3RMT)

  • 6 Customizable EQ Presets

  • 6ch High-level Inputs

  • 6ch Low-level RCA Inputs

  • Input Summing

  • 12ch Low-level RCA Outputs

  • Aluminum Chassis


  • Operating Voltage: 8.7 - 16.5

  • Input Channel(s): 6

  • Output Channel(s): 12

  • RCA Input Voltage Sensitivity: 0.3-3.2v (CH1 - CH4) / 0.6-6.4v (CH5 - CH6)

  • High-Level Input Voltage Sensitivity: 2-20v (CH1 - CH4) / 4-40v (CH5 - CH6)

  • RCA Output Voltage: 0.2V - 5V

  • RCA Input Impedance: > 20k(ohms)

  • High Level Input Impedance: 240(ohms)

  • RCA Output Impedance: > 50k(ohms)

  • RCA Input S/N: > 105dBA

  • High-Level Input S/N: > 115dBA

  • THD: < 0.02%

  • Parametric / Graphic EQ: 31 bands

  • Sampling Frequency: 192 kHz

  • Bit Depth: 32 bit

  • Processing Speed: 395 MHz

  • Remote Control: Remote Available, Sold Separately

  • Remote Out Current: 12V < 500mA

  • Dimensions (Inches): 7.5 x 4.2 x 1.5

  • Dimensions (MM): 191 x 107 x 39

Payment Information


We accept PayPal for all ebay orders. You can use your credit through PayPal as all major credit card are accepted by PayPal.

We accept PayPal for all international orders, your address must be verified with PayPal.

We are not responsible for any custom duties or brokerage fees that may apply for all international orders.

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If you want to ship your item to an alternate address please add
that address on your PayPal account and use the address as the default
or confirmed address to pay us through PayPal

With Free Same Business Day Shipping we work to get you your order Fast. 


All orders over $500 will require a signature for delivery.

All pre-selected shipping rates and methods are for customers with a
valid residential or commercial address within the Contiguous 48 United
States (PO Boxes address may require additional charges).

P.O. Boxes, APO/FPO addresses, Alaska, Hawaii, Puerto Rico, Guam,
U.S. Virgin Islands, Northern Mariana Islands, American Samoa, Canada,
and other countries may require additional shipping fees. Please contact
a member of our team for detailed shipping charges.

Shipping is available only to PayPal verified addresses. When making
payment please confirm your address has been verified with PayPal. Once
payment is made shipping address can not be changed/altered. Payments
made using an unverified PayPal address will be refunded and order will
be canceled.

We will not accept request to change shipping address once payment
has been made. Please confirm your shipping address is up-to-date and

Typical handling time for orders is 1-business day. We do our best
to ship every package with-in 1 business day of receiving a cleared
payment. In some circumstances additional time may be need, in which
case we will contact buyer.

Shipped orders that are returned by the shipping company due to an
insufficient address or an undeliverable address will be refunded less a
20% restocking fee.

If package is refused or marked undeliverable and returned
back to us by the carrier, you will need to pay the shipping cost in
full to have the package sent back to you or we can refund the money
minus the cost of shipping


If you have not received your package, but the tracking information shows that it was delivered,
please do the following within 36 hours of expected, stated delivery:


Verify the shipping address on the order is the address where you are looking for the package

Look for a notice of attempted delivery

Look around the delivery location for the package, or see if a neighbor has accepted the delivery

Be sure to double check your mailbox and other usual spots for package delivery


If you think that your package has been stolen, we will require a police report since this is now theft.
Once we have a police report on file for the stolen package, we will reship your order.

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