【BOLT】HiFi 2.1 Channel Audio Amplifier – YS-502MT Mini Bluetooth 5.0/5.1 Subwoofer Board Theater Stereo Mini Amplifier

✨ Key Features✅ Multiple Power Options For Every Audio SetupChoose from 4 specialized models to match your exact needs from compact stereo sound to powerful room-filling bass. The lineup includes 2×50W stereo units and high-power 2×160W+220W subwoofer models, making them perfect for small desk speakers, home theaters, car audio, and DIY projects.✅ Stable High-Quality Sound With 5.1 BluetoothEnjoy clear, distortion-free audio with 5.1 Bluetooth connectivity that pairs quickly and reliably with all your devices including phones, tablets, and laptops. The original TPA3116 chip (in YS-TB21) and premium domestic chips ensure consistent performance, while independent treble and bass controls let you customize the sound to your preference.✅ Wide Voltage Compatibility For Flexible UseNo more worrying about power supply issues with voltage ranges from DC 9V up to 36V across the lineup. Whether you’re using a 12V car adapter, 24V power bank, or 36V power supply, these modules work with common power sources in the Philippines, making installation easy and hassle-free.✅ All-Inclusive Accessories IncludedEvery amplifier module comes with essential accessories including a screwdriver and power adapter (where applicable) so you can start your audio project right out of the box. No need to buy extra tools or cables—everything you need for quick and simple setup is included.✅ Durable Design For Long-Lasting PerformanceBuilt with high-quality components and over-voltage protection, these modules are designed to handle daily use without issues. The robust construction ensures stable performance even during extended listening sessions, making them a reliable choice for your audio system upgrade.SpecificationsBelow are the detailed specs for each available model:Model YS-MT21 UpgradePower Output: 2×50W + 100W SubwooferChip Type: Domestic ChipChannel: 2.1 Channel (with dedicated subwoofer output)Bluetooth Version: 5.1Operating Voltage: DC 12-24V / ≥5ASpeaker Impedance: 4-8ΩIncluded Accessories: Screwdriver + Power AdapterModel YS-TB21 UpgradePower Output: 2×50W + 100W SubwooferChip Type: Original TPA3116 ChipChannel: 2.1 Channel (with dedicated subwoofer output)Bluetooth Version: 5.1Operating Voltage: DC 12-24V / ≥5-8ASpeaker Impedance: 4-8ΩIncluded Accessories: ScrewdriverModel YS-502MT UpgradePower Output: 2×50W (Stereo 2.0 Channel)Chip Type: Domestic ChipChannel: 2.0 Channel (left/right stereo, no subwoofer)Bluetooth Version: 5.1Operating Voltage: DC 9-24V / ≥3ASpeaker Impedance: 4-8ΩIncluded Accessories: Screwdriver + Power AdapterModel YS-HT21 UpgradePower Output: 2×160W + 220W SubwooferChip Type: Domestic ChipChannel: 2.1 Channel (with dedicated subwoofer output)Bluetooth Version: 5.1Operating Voltage: DC 15-36V / ≥10ASpeaker Impedance: 4-8ΩIncluded Accessories: Screwdriver️Grab Yours Before Stock Runs OutDon’t miss your chance to upgrade your audio experience with these versatile Bluetooth amplifier modules! Perfect for DIY projects, home theaters, car audio, and more, these units deliver reliable, high-quality sound at an affordable price. Stock is limited due to high demand—place your order today and get ready to enjoy crisp, powerful sound that fits every setup and budget.