{"product_id":"500ua-panel-vu-meter-warm-backlight-audio-level-amp-meter","title":"500μA Panel VU Meter Warm Backlight – Audio Level Amp Meter","description":"\n\u003ch2\u003e500μA Panel VU Meter with Warm Filament Backlight\u003c\/h2\u003e\n\u003cp\u003eMonitor your audio levels with precision using this \u003cstrong\u003e500μA Panel VU Meter\u003c\/strong\u003e. Designed for audio enthusiasts, home studio builders, and electronics DIY projects, this compact analog meter delivers accurate, real-time audio level readings with the classic warm glow of a filament backlight. Made in China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love This VU Meter\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccurate Audio Level Readings:\u003c\/strong\u003e The 500μA full-scale deflection ensures precise monitoring of audio signal levels, giving you reliable readouts every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarm Filament Backlight:\u003c\/strong\u003e The built-in filament backlight (DC\/AC 6–12V) casts a warm, retro glow over the scale, making it easy to read in any lighting condition — perfect for rack-mounted amplifiers and recording setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolid Build Quality:\u003c\/strong\u003e Constructed from durable plastic and quality electronic components, this meter is built to perform stably in demanding audio environments over the long term.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Easy to Install:\u003c\/strong\u003e At just 37 × 35 × 35 mm and 21 grams, this panel meter fits neatly into custom audio enclosures, amplifier panels, and DIY audio builds without taking up valuable space.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUser-Friendly Design:\u003c\/strong\u003e Straightforward wiring and an intuitive scale make this meter simple to integrate into your existing audio setup — no complicated configuration required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eFull-Scale Current\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e500μA\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eHeader DC Resistance\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e630 Ohms\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBacklight Voltage\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDC\/AC 6–12V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePlastic + Electronic Components\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e37 × 35 × 35 mm (1.46 × 1.38 × 1.38 in)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e21 grams\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Panel VU Meter (500μA, Warm Backlight)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGreat Pairings for Your DIY Audio or Electronics Projects\u003c\/h3\u003e\n\u003cp\u003eBuilding out a workshop or tool kit to go along with your audio projects? Check out these related items:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-in-1-multi-functional-bone-wrench-hex-socket-spanner-portable-repair-hand-tool-for-bicycle-motorcycle-furniture-assembly\"\u003e10-in-1 Multi-Functional Bone Wrench – Portable Repair Hand Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-in-1-precision-eyeglass-screwdriver-keychain-portable-mini-screwdriver-for-glasses-watch-spectacles-repair-hand-tool\"\u003e3-in-1 Precision Screwdriver Keychain – Mini Repair Hand Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/a01f-df-6-electric-enameled-copper-wire-stripping-machine\"\u003eA01F-DF-6 Handheld Electric Enameled Copper Wire Stripper 110V\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to differences in monitor settings and lighting, the actual color may vary slightly from images. Please allow ±1–2 cm measuring deviation due to manual measurement.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage does the backlight on this panel VU meter require?\u003c\/h4\u003e\n\u003cp\u003eA: The filament backlight on this 500μA panel VU meter operates on DC or AC voltage in the range of 6V to 12V. This makes it compatible with a wide variety of audio amplifier builds and DIY electronics projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this VU meter in a custom amplifier or home recording setup?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This 500μA panel VU meter is ideal for integration into custom amplifier panels, home studio equipment, and DIY audio builds. Its compact 37 × 35 × 35 mm footprint and standard 630-ohm header DC resistance make it straightforward to wire into most audio-level monitoring circuits.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the VU meter come with batteries or a power supply?\u003c\/h4\u003e\n\u003cp\u003eA: No batteries or external power supply are included. You will need to provide a DC or AC 6–12V power source for the backlight separately. The meter movement itself is driven by the audio signal current from your circuit.\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\": \"What voltage does the backlight on this panel VU meter require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The filament backlight on this 500μA panel VU meter operates on DC or AC voltage in the range of 6V to 12V. This makes it compatible with a wide variety of audio amplifier builds and DIY electronics projects.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this VU meter in a custom amplifier or home recording setup?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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