- Precise Sound Control: Achieve optimal audio tuning with our 7-band equalizer, featuring a range of ±12 dB at key frequencies (60 Hz, 150 Hz, 400 Hz, 1 kHz, 3 kHz, 6.5 kHz, 15 kHz). Built with TI or ST TL074 components for superior performance. - Powerful Amplification: Experience enhanced audio output with a 5x amplification (14 dB) provided by the classic 4580 OP amplifier. Designed for high efficiency with a 20K input impedance and 600 Ohm output impedance, making it perfect for boosting sound levels. - Versatile Connectivity: The equalizer includes a 3.5 mm input for 4-pole plugs and outputs for microphone-equipped headsets, ideal for mobile phones during calls. Additionally, a group interface ensures flexible connectivity for various audio setups. - Exceptional Sound Quality: Featuring an NE5532 ear amplifier and a type 47 headphone driver circuit, this product delivers outstanding sound clarity. Easily drive different headphones with adjustable high and low frequency settings to suit your listening preferences. Use Scenarios: - Home Studio Setup: Perfect for musicians and producers looking to fine-tune audio tracks with precision. - Mobile Use: Ideal for enhancing audio during phone calls or while listening to music on the go. - Theater and Events: Suitable for public speaking or performances where clear sound amplification is crucial. This equalizer is designed to enhance your audio experience, providing the tools needed for both casual listeners and audio professionals alike.