SKYSOUND ZK-TB22 2.2 Channel Bluetooth Amplifier Board Dual Subwoofer Audio Amp DC12-24V

💕Welcome to the SKYSOUND.💕✨Our product quality is very good, suitable for DIY speakers, car modification, etc.✨🚀Shipped within 24-48 hours after ordering.😄We support wholesale, contact us to chat.🎉Welcome everyone to purchase！🎵 SKYSOUND ZK-TB22 | 2.2 Channel Dual Subwoofer AmplifierLooking for stronger, deeper bass? The ZK-TB22 delivers an unmatched audio experience with dual-subwoofer support! Ideal for your home theater, desktop setup, or DIY audio projects.✨ [ WHY CHOOSE ZK-TB22? ]🔊 Explosive Bass: Dual-subwoofer channels deliver up to 145W×2 power for deep, punchy low frequencies.🎶 High-Fidelity Audio: 75W×2 L/R channels ensure crystal clear mids and highs.📱 Multi-Input Modes: Seamlessly switch between Bluetooth, AUX, USB drive, and PC input.🛠️ DIY Friendly: Replaceable OP-AMP (SOP/DIP) lets you customize your sound, with extra ports for a mic board and cooling fan.🛡️ Safe & Reliable: Equipped with 5-layer safety protections (overheat, short-circuit, overcurrent, etc.).💡 [ PERFECT FOR ]• DIY Bluetooth speaker boxes• Dual-subwoofer cabinets• Desktop / Computer audio systems• Home theater & Car audio projects📋 [ QUICK SPECS ]• System: 2.2CH (Left + Right + Dual Subwoofer)• Voltage Range: DC 12–24V• Speaker Match: L/R (20-75W, 4-8Ω) | Subwoofer (50-150W, 2-8Ω)• Bluetooth Range: Up to 15 meters📐 [ CHOOSE YOUR VERSION ]📦 On-Board Control: Approx. 117×116mm (Net weight: 185.2g)📦 Separate Control: Approx. 117×101mm (Net weight: 219.9g)📌 [ IMPORTANT NOTES BEFORE USE ]⚡ DC POWER ONLY: Strictly no AC power. A high-current supply (DC 24V 10A+) is highly recommended to unlock maximum volume and bass.🔋 Avoid 24V Batteries: Fully charged batteries can exceed safe voltage limits.❄️ Cooling: Keep the board away from conductive materials. Adding a 12V cooling fan is suggested for heavy usage.💕Feedback：1. Please kindly leave us a positive feedback (5 stars) , if you are satisfied with our items.🥰2.  If the product does not work or has problems, you can contact our store.😊3.  Please give us the opportunity to resolve any problem.😄