7Band Digital Sound Equalizer and Headphone Amplifier Enhance your audio experience with precise control, sound quality, and versatile connectivity. Designed with performance components and a durable build, this equalizer is ideal for music lovers, gamers, and professionals seeking clear, customized sound. Key Features and Benefits • Precise Sound Control 7 adjustable frequency bands: 60Hz, 150Hz, 400Hz, 1kHz, 3kHz, 6.5kHz, 15kHz. ±12dB control range for detailed tuning to match different music styles, gaming needs, or voice clarity. Smooth knob adjustment: center position for neutral sound, counterclockwise for attenuation, clockwise for boost. Uses quality TI or ST original TL074 op amps for clean, distortion audio performance. • Versatile Connectivity 3.5mm input interface compatible with 4pole plugs, enabling use with headsets that have builtin microphones. Allows connection to mobile phones for regular voice calls without compromising audio quality. Includes terminal with group lotus interface for broader connectivity with audio systems. • Headphone Compatibility Built with NE5532 and type 47 headphone driver circuits to deliver strong, clear output. Supports both 3pole and 4pole 3.5mm plugs for compatibility with a wide variety of headphones. Capable of driving everything from lightweight earbuds to impedance professional headphones. • DualChannel Output True stereo sound for immersive listening in music playback, films, or gaming. Operates on DC 5V–12V power supply for flexible setup at home, in the studio, or on the go. • Durable and Reliable Build Constructed from strength aluminum alloy for longlasting performance and improved heat dissipation. Stable operation ensures consistent audio quality and reduced interference. Practical Use Scenarios Music Listening: Finetune bass, midrange, and treble frequencies to enjoy your favorite tracks with balanced, crisp sound. Gaming: Enhance voice clarity and environmental audio cues for improved communication and immersive gameplay. Voice Calls: Maintain microphone compatibility when connected through compatible headsets, ensuring clear and uninterrupted conversations. Specifications Equalization Bands: 60Hz, 150Hz, 400Hz, 1kHz, 3kHz, 6.5kHz, 15kHz Control Range: ±12dB Components: TI or ST original TL074 op amps, NE5532 amplifier, type 47 headphone driver circuit Input: 3.5mm interface (supports 3pole and 4pole plugs) Output: 3.5mm interface with microphone headset support, group lotus terminal Power Supply: DC 5V–12V Material: Aluminum alloy Channels: Dualchannel stereo This 7band digital sound equalizer combines precise frequency control, robust headphone amplification, and flexible connectivity into one compact, durable unit, making it a reliable addition to any audio setup.