Jrifedptry Car Stereo Amplifier Speaker Hifi Power 2.1 Channel Home Subwoofer Audio Output 12V Audio System Easy to Use Silver

2. Bass & Treble & Volume Adjustment: Power switch button with clear response and rotary knob control for main volume adjustment. It can be adjusted according to your needs. 1. In addition to the main volume / treble / bass controls, there is also a specially designed bass volume control for easy enjoyment of high-quality music. 3. Compact size: Complete design and exquisite appearance, matte silver shell looks stylish and , structural design is easy to install on cars/ships, saves space and is easy to operate. 4. Application range: DC 12V input is suitable for many scenes, can be used in your car, your boat, your RV, your golf cart, your home, anywhere you need a great amplifier, low distortion and acoustic accurate music reproduction.