The purpose of this tool is to enable the installer to set the gain of an audio amplifier to match the source unit’s output level, accurately and quickly. It can also be useful for detecting distortion in the audio signal caused by poorly designed or malfunctioning audio equipment.

What is the difference between this and the original DD-1+?

• Sets audio system gain overlap, continuously variable from 0.0dB - 15.0dB in 0.1dB steps
• Checks gain overlap of an audio system without making any adjustments to the existing settings
• Verifies that the gain overlap of an install hasn't been tampered with after install
• Features our Patent Pending Distortion Detection system plus digital microcontroller and our proprietary firmware
• 200V maximum input (same as DD-1 HV)
• Quasi-RMS voltmeter (can detect clipping at any frequency)

What is included?

• The Distortion Detector PLUS (DD-1+)
• Protective silicon rubber boot
• Calibrated Test tone CD
• Harness
• This manual
• Pride of ownership

About the Design

When you pick up the DD-1+, know that you are holding a precision piece of equipment.  If treated as such it should provide you with many years of reliable service. 

Specification

• Distortion Detection trigger level > 1.0% Harmonic Distortion
• Guaranteed operating range of input signal is 1.2Vrms – 200Vrms.  (40,000 Watts at 1ohm) Autoranging
• Low Battery LED trigger battery voltage < 6.5Vdc
• Auto-shut off timer 8 - 10 minutes after ON button is pressed
• Battery self-test and display of condition when DD-1+ is initialized
• Shipping Box 9 x 6 x 2 inches, 2 lbs

Return for refund within: 30 days

Return for replacement within: 30 days

Standard Return Policy Overview

You may return merchandise purchased from Showtime Electronics for a refund or a replacement, provided that the procedures and requirements are followed. All returns require a return merchandise authorization (RMA) number. An RMA number must be issued within 30 calendar days after the date of purchase. An RMA number is valid for 14 calendar days after it is issued. Once you log in to your user account, you will be able to Request and RMA. In addition, you can also request an RMA at the bottom of our homepage. If you have any issues, please email us at sales@showtimeelectronics.com

Free shipping is available in the continental United States, excluding Hawaii and Alaska.

International shipping is available and calculated at checkout.

All orders will receive tracking once shipped through USPS, Fedex, UPS, and DHL.