7Band Audio Equalizer with Headphone Amplifier Enhance your audio experience with precise control and powerful performance. This 7band equalizer is designed for audiophiles, musicians, content creators, and anyone seeking to finetune sound with accuracy and drive headphones directly from the unit. Key Features: 7band frequency control for custom sound shaping: 60Hz, 150Hz, 400Hz, 1kHz, 3kHz, 6.5kHz, 15kHz Control range of ±12dB for each band, built with TI or original TL074 components for fidelity response Builtin preamplification gain with 4580 op amp delivering 5x amplification (14dB), ensuring cleaner and stronger output Input impedance: 20k ohms; Output impedance: 600 ohms for compatibility with various devices Headphone amplifier section powered by NE5532 Type 47 driver, capable of driving virtually all headphone types with adjustable and low settings Versatile 3.5mm input interface supports 4pole plugs for headsets with microphones, allowing seamless integration with smartphones for calls Additional group output terminal for flexible routing in audio setups Benefits: Achieve clear, balanced, and tailored sound with professionalgrade equalization Drive resistance headphones without an external amp, maintaining audio quality and dynamic range Compatible with both professional audio setups and everyday use with mobile devices quality op amp and circuitry components ensure durability and consistent performance Practical Applications: 1. Musicians in a home studio can finetune playback during mixing sessions for precise tonal balancing. 2. Audiophiles can enhance music listening sessions by tailoring bass, mids, and treble to match preferred sound profiles. 3. Podcasters or content creators using headsets with microphones can integrate the equalizer to improve vocal clarity during live streaming or recording without sacrificing convenience. This 7band equalizer and headphone amplifier combine technical precision with versatile compatibility, delivering outstanding audio control in a compact, durable design suitable for both professional and use.