{"product_id":"bluetooth-5-0-stereo-digital-amplifier-board-aux-usb-app-dc12v-24v-ys-ap50l","title":"Bluetooth 5.0 Digital Stereo Amplifier Board | AUX USB 50W+50W","description":"\u003ch2\u003eYS-AP50L Bluetooth 5.0 Stereo Digital Amplifier Board\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio setup with the \u003cstrong\u003eYS-AP50L Bluetooth 5.0 Stereo Digital Amplifier Board\u003c\/strong\u003e — a compact, versatile amp module designed for home audio projects, car audio builds, and DIY speaker systems. With support for Bluetooth 5.0 wireless streaming, a 3.5mm AUX input, USB audio input, and app control via your smartphone, this board delivers impressive stereo output in a surprisingly small footprint.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth 5.0 Connectivity:\u003c\/strong\u003e Enjoy stable, low-latency wireless audio streaming from your smartphone, tablet, or other Bluetooth-enabled devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Input Options:\u003c\/strong\u003e Choose from Bluetooth, 3.5mm AUX, or USB audio input to suit your source device and use case.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApp Control:\u003c\/strong\u003e Manage audio settings and switching conveniently from a dedicated smartphone app.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMechanical Volume Knob:\u003c\/strong\u003e A satisfying rotary knob controls both volume and power — turn to switch on, no waiting for indicator lights or button presses.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range (DC 12V–24V):\u003c\/strong\u003e Greater supply voltage yields higher output power, making it adaptable to a variety of power setups. Pair with lower-impedance speakers for maximum output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact ABS Enclosure:\u003c\/strong\u003e Measures approximately 52 × 52 × 22 mm (2.04 × 2.04 × 0.86 in) — small enough to integrate into tight builds without sacrificing performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStereo 50W + 50W Output:\u003c\/strong\u003e Dual-channel amplification for a full, immersive stereo sound experience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS Construction:\u003c\/strong\u003e Built to last with a rugged ABS housing suited for embedded installations and DIY enclosures.\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 YS-AP50L\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Version:\u003c\/strong\u003e 5.0\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e Bluetooth 5.0 \/ 3.5mm AUX \/ USB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e DC 12V – 24V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Power:\u003c\/strong\u003e 50W + 50W (stereo)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e ABS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approx. 52 × 52 × 22 mm \/ 2.04 × 2.04 × 0.86 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApp Control:\u003c\/strong\u003e Yes (smartphone compatible)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × YS-AP50L Bluetooth 5.0 Digital Amplifier Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY home speaker builds and audio upgrades\u003c\/li\u003e\n  \u003cli\u003eCar and vehicle audio installations (DC 12V systems)\u003c\/li\u003e\n  \u003cli\u003eWorkshop, garage, or desktop speaker projects\u003c\/li\u003e\n  \u003cli\u003eElectronics hobbyists and audio enthusiasts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe electronics use and electrical standards, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What audio inputs does the YS-AP50L Bluetooth 5.0 Amplifier Board support?\u003c\/h4\u003e\n\u003cp\u003eA: The YS-AP50L supports three audio input methods: Bluetooth 5.0 wireless streaming, a 3.5mm AUX jack, and a USB audio input — giving you flexible connectivity with virtually any audio source device.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltage does this digital amplifier board require, and how does it affect output power?\u003c\/h4\u003e\n\u003cp\u003eA: The board operates on DC 12V to 24V. A higher supply voltage translates to greater output power, while a lower speaker impedance also increases the output. For maximum performance, use a higher voltage supply within the rated range paired with appropriate low-impedance speakers.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I turn the YS-AP50L amplifier on and off?\u003c\/h4\u003e\n\u003cp\u003eA: The board features a mechanical rotary volume knob that doubles as the power switch. Simply turn the knob to power the unit on or off — no button press or waiting for indicator lights required, making operation quick and intuitive.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I control the YS-AP50L from my smartphone?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. In addition to the physical volume knob, the YS-AP50L supports app control via a compatible smartphone app, allowing you to manage audio settings and input switching wirelessly from your phone.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What audio inputs does the YS-AP50L Bluetooth 5.0 Amplifier Board support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The YS-AP50L supports three audio input methods: Bluetooth 5.0 wireless streaming, a 3.5mm AUX jack, and a USB audio input — giving you flexible connectivity with virtually any audio source device.\"}}, {\"@type\": \"Question\", \"name\": \"What voltage does this digital amplifier board require, and how does it affect output power?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board operates on DC 12V to 24V. 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