{"product_id":"smd-dd-1-distortion-detector-plus","title":"SMD DD-1+ Distortion Detector Plus","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eSMD Distortion Detector Plus DD-1+\u003c\/strong\u003e is a professional audio measurement tool designed to help installers \u003cstrong\u003eset amplifier gain accurately, quickly, and consistently\u003c\/strong\u003e. Built for car audio professionals, the DD-1+ matches an amplifier's gain to the output level of the source unit while also detecting distortion caused by incorrectly adjusted, poorly designed, or malfunctioning audio equipment.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAs SMD's advanced gain-setting tool, the DD-1+ includes all the core functions of the original DD-1 while adding the ability to \u003cstrong\u003emeasure and recheck system gain overlap without changing existing settings\u003c\/strong\u003e. This makes it especially useful for verifying installations when a vehicle returns for service or determining whether amplifier settings have been altered.\u003c\/p\u003e\n\u003ch3\u003ePrecise Gain Overlap Measurement\u003c\/h3\u003e\n\u003cp\u003eThe DD-1+ allows installers to set audio system gain overlap from \u003cstrong\u003e0.0 dB to 15.0 dB in precise 0.1 dB increments\u003c\/strong\u003e. The gain overlap can also be checked independently, allowing technicians to verify an existing installation without making any adjustments.\u003c\/p\u003e\n\u003cp\u003eThis is particularly useful for professional installers who need to confirm that an audio system remains configured to its intended specifications after installation.\u003c\/p\u003e\n\u003ch3\u003eAdvanced Distortion Detection\u003c\/h3\u003e\n\u003cp\u003eThe DD-1+ incorporates SMD's \u003cstrong\u003epatent-pending distortion detection system\u003c\/strong\u003e, combined with a digital microcontroller and proprietary firmware. Its quasi-RMS voltmeter can detect clipping at virtually any frequency, helping installers identify distortion accurately during amplifier setup.\u003c\/p\u003e\n\u003cp\u003eThe unit supports input levels from \u003cstrong\u003e1.2 Vrms to 200 Vrms\u003c\/strong\u003e with autoranging, making it suitable for high-powered car audio systems.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional amplifier gain-setting tool\u003c\/li\u003e\n\u003cli\u003eSets audio system gain overlap from 0.0–15.0 dB\u003c\/li\u003e\n\u003cli\u003eAdjustable in precise 0.1 dB increments\u003c\/li\u003e\n\u003cli\u003eChecks existing gain overlap without changing amplifier settings\u003c\/li\u003e\n\u003cli\u003eHelps verify whether gain settings have been altered after installation\u003c\/li\u003e\n\u003cli\u003eAdvanced distortion detection system\u003c\/li\u003e\n\u003cli\u003eDigital microcontroller with proprietary firmware\u003c\/li\u003e\n\u003cli\u003eQuasi-RMS voltmeter\u003c\/li\u003e\n\u003cli\u003eDetects clipping at any frequency\u003c\/li\u003e\n\u003cli\u003eMaximum input capability of 200 V\u003c\/li\u003e\n\u003cli\u003eAutomatic input range selection\u003c\/li\u003e\n\u003cli\u003eDesigned for professional car audio installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e DD-1+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistortion Detection Trigger:\u003c\/strong\u003e \u0026gt;1.0% harmonic distortion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Input Range:\u003c\/strong\u003e 1.2 Vrms–200 Vrms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Input:\u003c\/strong\u003e 200 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGain Overlap Range:\u003c\/strong\u003e 0.0–15.0 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGain Adjustment Resolution:\u003c\/strong\u003e 0.1 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e Autoranging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Battery Indicator:\u003c\/strong\u003e Activates below 6.5 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto Shut-Off:\u003c\/strong\u003e Approximately 8–10 minutes after activation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e Includes battery self-test and status display during initialization\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSMD Distortion Detector Plus DD-1+\u003c\/li\u003e\n\u003cli\u003eProtective silicone rubber boot\u003c\/li\u003e\n\u003cli\u003eCalibrated test-tone CD\u003c\/li\u003e\n\u003cli\u003eConnection harness\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003eSMD DD-1+\u003c\/strong\u003e is an essential tool for professional car audio installers who need a reliable way to \u003cstrong\u003eset amplifier gain, detect clipping, measure gain overlap, and verify system calibration\u003c\/strong\u003e with precision.\u003c\/p\u003e","brand":"SMD (Steve Meade Designs)","offers":[{"title":"Default Title","offer_id":57097271705926,"sku":"WHOLE-SMD-001","price":304.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/6766\/0358\/files\/DD-1-plus-1.webp?v=1786830957","url":"https:\/\/www.sigonnasound.com\/products\/smd-dd-1-distortion-detector-plus","provider":"SigonnaSound","version":"1.0","type":"link"}