{"product_id":"ak2515-audio-spectrum-analyzer-board-vfd-vu-meter-display","title":"AK2515 Audio Spectrum Analyzer Board – VFD VU Meter Display","description":"\n\u003ch2\u003eAK2515 Audio Spectrum Analyzer Board with VFD Display \u0026amp; VU Meter\u003c\/h2\u003e\n\u003cp\u003eTransform your audio setup with the \u003cstrong\u003eAK2515 Audio Spectrum Analyzer Board\u003c\/strong\u003e — a high-precision, visually stunning VFD (Vacuum Fluorescent Display) module that visualizes your music in real time. Whether you're a DIY audio enthusiast, a home studio builder, or a hi-fi hobbyist, this compact analyzer board delivers accurate frequency visualization, a built-in clock display, and versatile input options in one sleek acrylic-mounted unit.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Resolution VFD Display:\u003c\/strong\u003e Features a 25×15 resolution Vacuum Fluorescent Display for crisp, accurate visualization of each frequency band across a wide 30Hz–20kHz range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3.5mm AUX \u0026amp; MIC Input:\u003c\/strong\u003e Supports both wired (3.5mm AUX) and wireless (sensitive MIC pickup) audio connections for maximum flexibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Spectrum Modes:\u003c\/strong\u003e Choose from Normal, Inverse Color, Inversion, Frequency Division, and Amplification Curve modes to suit your preferences.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAGC \u0026amp; Custom Output Curves:\u003c\/strong\u003e Automatic Gain Control and selectable output curves (Actual \/ Smooth I \/ Smooth II) provide dynamic, eye-catching visual effects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFully Adjustable Display:\u003c\/strong\u003e Control brightness (7 levels), main light beam falling speed, peak holding time, and peak falling speed — all with power-off memory so your settings are saved.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne-Click Noise Filtering:\u003c\/strong\u003e Built-in noise filtering function helps deliver a cleaner, more accurate spectrum display.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClock Display:\u003c\/strong\u003e Shows year, month, day, hour, minute, and second — doubles as a stylish desk clock when no audio is playing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto Display Mode:\u003c\/strong\u003e Automatically switches between spectrum and clock display depending on audio input — smart and hands-free.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Font Types:\u003c\/strong\u003e Customize the look of your clock and data readouts with four selectable font styles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e AK2515 (JVFD2515 wide \/ JVFD2517 narrow, optional)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Acrylic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 175 × 28 × 50 mm (6.89 × 1.10 × 1.97 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Type:\u003c\/strong\u003e VFD (Vacuum Fluorescent Display)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 25 × 15\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 30Hz – 20kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio Input:\u003c\/strong\u003e 3.5mm AUX \/ MIC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e DC 5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrightness Levels:\u003c\/strong\u003e 7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFont Types:\u003c\/strong\u003e 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 189g (approx. 6.67 oz)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDisplay \u0026amp; Operating Modes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAuto Mode — spectrum when music plays, clock when idle\u003c\/li\u003e\n  \u003cli\u003eMusic Spectrum Mode (always on)\u003c\/li\u003e\n  \u003cli\u003eClock Display Mode (always on)\u003c\/li\u003e\n  \u003cli\u003eSound Level Display — Normal, Mirror Mode 1, Mirror Mode 2\u003c\/li\u003e\n  \u003cli\u003eAmplification Curve — 5 modes: compress low frequency, enhance high frequency, default (no amplification), slight low compress + high enhance, and full high enhance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× AK2515 Audio Spectrum Analyzer Board\u003c\/li\u003e\n  \u003cli\u003e1× Power Cable\u003c\/li\u003e\n  \u003cli\u003e1× 3.5mm Audio Cable\u003c\/li\u003e\n  \u003cli\u003e1× 1:2 3.5mm Splitter Cable\u003c\/li\u003e\n  \u003cli\u003e2× Acrylic Sheets\u003c\/li\u003e\n  \u003cli\u003e1 Set× Mounting Screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/16-inch-vintage-silent-wall-clock-gold-shabby-chic-home-decor\"\u003e16-Inch Vintage Silent Wall Clock – Gold Shabby Chic Decor\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to monitor settings and lighting. Please allow ±1–3mm measurement deviation.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What type of display does the AK2515 audio spectrum analyzer use?\u003c\/h4\u003e\n\u003cp\u003eA: The AK2515 uses a VFD (Vacuum Fluorescent Display) with a 25×15 resolution, delivering bright, high-contrast visuals that clearly show each frequency band across a 30Hz–20kHz range — making it ideal for both audio monitoring and decorative display setups.\u003c\/p\u003e\n\u003ch4\u003eQ: Can the AK2515 spectrum analyzer board work without a wired audio connection?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! In addition to the 3.5mm AUX wired input, the AK2515 features a built-in sensitive MIC pickup, allowing it to pick up and display the audio spectrum of any sound in the environment wirelessly — no cable required.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the AK2515 remember my settings after being powered off?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The AK2515 features a power-off memory function that saves your preferred brightness level, spectrum mode, display settings, and other adjustments so you don't have to reconfigure them each time you turn it on.\u003c\/p\u003e\n\u003ch4\u003eQ: What operating voltage does this spectrum analyzer board require?\u003c\/h4\u003e\n\u003cp\u003eA: The AK2515 operates on DC 5V, making it compatible with standard USB power sources such as phone chargers, power banks, and computer USB ports for easy and convenient use.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What type of display does the AK2515 audio spectrum analyzer use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The AK2515 uses a VFD (Vacuum Fluorescent Display) with a 25×15 resolution, delivering bright, high-contrast visuals that clearly show each frequency band across a 30Hz–20kHz range — making it ideal for both audio monitoring and decorative display setups.\"}}, {\"@type\": \"Question\", \"name\": \"Can the AK2515 spectrum analyzer board work without a wired audio connection?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! In addition to the 3.5mm AUX wired input, the AK2515 features a built-in sensitive MIC pickup, allowing it to pick up and display the audio spectrum of any sound in the environment wirelessly — no cable required.\"}}, {\"@type\": \"Question\", \"name\": \"Does the AK2515 remember my settings after being powered off?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The AK2515 features a power-off memory function that saves your preferred brightness level, spectrum mode, display settings, and other adjustments so you don't have to reconfigure them each time you turn it on.\"}}, {\"@type\": \"Question\", \"name\": \"What operating voltage does this spectrum analyzer board require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The AK2515 operates on DC 5V, making it compatible with standard USB power sources such as phone chargers, power banks, and computer USB ports for easy and convenient use.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"AK2515 Audio Spectrum Analyzer Board – VFD VU Meter Display\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/ak2515-audio-spectrum-analyzer-board-vfd-vu-meter-display\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"JVFD2517 (narrow) \/ China Mainland","offer_id":44141356089431,"sku":"14:350850#JVFD2517 (narrow);200007763:201336100","price":155.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S1702fe0b1a8d472ba77d34d0ffcb3db1l_938085f0-c203-4dcd-9ff1-cd5d17165de9.webp?v=1786495114","url":"https:\/\/axlcustomersupport.com\/products\/ak2515-audio-spectrum-analyzer-board-vfd-vu-meter-display","provider":"Axl","version":"1.0","type":"link"}