{"product_id":"pt2399-microphone-reverb-plate-module-10pcs","title":"10PCS PT2399 Microphone Reverb Plate Module | No Preamp","description":"\n\u003ch2\u003ePT2399 Microphone Reverb Plate Module – 10-Pack\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio projects with this 10-piece set of PT2399-based Microphone Reverb Plate modules. Designed for hobbyists, engineers, and audio enthusiasts, these compact reverberation boards deliver smooth, rich reverb effects for microphone and audio circuit builds. Each board operates cleanly on a wide DC voltage range, making integration into various DIY audio setups straightforward and flexible.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChipset:\u003c\/strong\u003e PT2399 Echo\/Reverb IC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Voltage:\u003c\/strong\u003e DC 6V – 15V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoard Size:\u003c\/strong\u003e 50mm × 50mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 pieces per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreamplifier Function:\u003c\/strong\u003e Not included — reverb plate only\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Versatile:\u003c\/strong\u003e The 50×50mm form factor fits neatly into enclosures and DIY audio builds without taking up excess space.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Reverb Depth:\u003c\/strong\u003e R27 serves as the reverb depth resistor. For dynamic adjustment, remove R27 and connect a potentiometer (20kΩ–50kΩ) to the S–G–G pad for on-the-fly reverb control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Operates across DC 6V to 15V, accommodating a range of power supplies commonly used in electronics projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreat Value Pack:\u003c\/strong\u003e Get 10 modules in a single order — ideal for multiple builds, prototyping, or keeping spares on hand.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Preamplifier Required (or Included):\u003c\/strong\u003e This is a dedicated reverb\/reverberation board only. Pair it with your own preamp stage for a complete signal chain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThese PT2399 reverb modules are perfect for electronics hobbyists, audio circuit designers, musicians building custom effects pedals, and makers working on karaoke systems, mixers, or any microphone-based audio project requiring reverb or echo effects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the PT2399 reverb plate module include a preamplifier function?\u003c\/h4\u003e\n\u003cp\u003eA: No. This PT2399 microphone reverb plate module is a dedicated reverberation board only and does not include a preamplifier function. You will need to add an external preamp stage to your signal chain if amplification is required before the reverb stage.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I adjust the reverb depth on the PT2399 reverb board?\u003c\/h4\u003e\n\u003cp\u003eA: The reverb depth is controlled by resistor R27 on the board. To make the reverb depth adjustable, remove R27 and connect a potentiometer with a value in the range of 20kΩ to 50kΩ to the S–G–G pad on the board. This allows you to dial in the exact amount of reverb effect you need.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What voltage is required to power these PT2399 reverb modules?\u003c\/h4\u003e\n\u003cp\u003eA: Each module operates on a DC supply voltage between 6V and 15V, giving you flexibility to use a variety of standard power sources commonly found in DIY electronics and audio projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What applications are these PT2399 reverb boards suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: These boards are well-suited for a wide range of audio applications including DIY effects pedals, karaoke systems, audio mixers, microphone processing circuits, and any project requiring echo or reverb effects. They are especially popular among electronics hobbyists and audio makers.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the PT2399 reverb plate module include a preamplifier function?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This PT2399 microphone reverb plate module is a dedicated reverberation board only and does not include a preamplifier function. You will need to add an external preamp stage to your signal chain if amplification is required before the reverb stage.\"}}, {\"@type\": \"Question\", \"name\": \"How do I adjust the reverb depth on the PT2399 reverb board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The reverb depth is controlled by resistor R27 on the board. 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