Dasaita HA-ST5 Plug & Play 4-Channel Car DSP Amplifier - High Power, Bluetooth Audio, Extreme Temp Resistance, Customizable Sound for Premium In-Car Audio

 Plug & Play Installation No Wiring Hassles: Installs in minutes with zero wire cutting or special tools—perfect for DIY enthusiasts! Universal Compatibility: Works with most non-Harman Kardon and non-JBL factory systems (check compatibility for your vehicle first).  High Power & Crystal-Clear Audio 50W x 4 Max Power: Punchy, distortion-free sound even at high volumes (4Ω load, 30W x 4 rated). Studio-Quality Clarity: >100dB signal-to-noise ratio (SNR) and wide dynamic range for immersive, lifelike audio. Total Sound Control Fine-Tune Your Sound: Adjust front/rear treble, midrange, and bass levels (-15dB to +15dB) for personalized acoustics. Expand Your Setup: 1 optical input + 2CH line-out for adding a subwoofer or external amplifiers. Built for Extreme Conditions Weatherproof Performance: Operates flawlessly in -40°C to 85°C (-20°F to 185°F), ideal for scorching summers or freezing winters. Seamless Bluetooth Streaming Wireless Music Freedom: Stream