{"product_id":"ak2518-bluetooth-led-music-spectrum-display-light-speed-adjustable-level-indicator-amplifier-board-diy-kit-with-3-5mm-audio-cable","title":"AK2518 Bluetooth LED Music Spectrum Display Light Speed Adjustable Level Indicator Amplifier Board DIY Kit with 3.5mm Audio Cable","description":"\u003cdiv id=\"specification\"\u003e\u003c\/div\u003e\u003cdiv id=\"specification_end\"\u003e\u003c\/div\u003e\u003cp\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px;\"\u003eSpecification:\u003c\/span\u003e\u003c\/b\u003e\u003cbr\u003eProduct Name: Bluetooth LED  Music Spectrum Display\u003cbr\u003eMaterial: PCB + ABS + acrylic front cover\u003cbr\u003eColor: Black\u003cbr\u003eOperating Voltage: 5V (USB Type‑C power input, ≥1A)\u003cbr\u003eAudio Input: On‑board microphone \/ 3.5mm line in \/ Bluetooth input\u003cbr\u003eFrequency Range: 20Hz – 20kHz (50–4kHz crossover mode \u0026amp; 50–20kHz full‑range mode)\u003cbr\u003ePanel Size: approx. 262 × 50 × 21 mm\u003cbr\u003e\u003cbr\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px;\"\u003eFeatures:\u003c\/span\u003e\u003c\/b\u003e\u003cbr\u003e1. Three working modes: built‑in microphone pickup, 3.5mm audio cable input, and Bluetooth audio input.\u003cbr\u003e2. Clock function shows time and date alternately, creating a visual music desk clock.\u003cbr\u003e3. Left\/right channel level display or mixed single‑window display selectable in the menu.\u003cbr\u003e4. On‑board Bluetooth module and audio output port for use as a front‑end audio signal device.\u003cbr\u003e5. New menu structure with front buttons for quick mode, brightness and display adjustments.\u003cbr\u003e6. Acrylic frequency‑scale front panel (50–20K markings) for clear visual frequency indication.\u003cbr\u003e\u003cbr\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px;\"\u003ePackage Includes:\u003c\/span\u003e\u003c\/b\u003e\u003cbr\u003e1 x Bluetooth LED  Music Spectrum Display\u003cbr\u003e1 x Acrylic front sheet with protective film \u003cbr\u003e1 x 3.5mm male‑to‑male audio cable \u003cbr\u003e1 x USB‑A to USB‑C power cable \u003cbr\u003e1 x 3.5mm male to dual‑female adapter cable \u003cbr\u003e1 x Bag of screws\u003c\/p\u003e","brand":"LinkMejor","offers":[{"title":"Default Title","offer_id":49120658292961,"sku":"BG-2055392","price":49.49,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/1c292575-0ac5-42b9-8c44-ad30ef8394f1_443a8a92-b625-48fd-80fe-9b2b64ab6b58.jpg?v=1789396832","url":"https:\/\/ontproduct.com\/products\/ak2518-bluetooth-led-music-spectrum-display-light-speed-adjustable-level-indicator-amplifier-board-diy-kit-with-3-5mm-audio-cable","provider":"IvySource","version":"1.0","type":"link"}