7 Band Graphic Equalizer Home Audio System with 12dB Bass Adjustment

A 7-Band Graphic Equaliser for Precise Home Audio This 7-band graphic equaliser puts precise sound shaping at your fingertips, with a control range of ±12dB across a multi-frequency equalisation band. Whether you are streaming music, recording a podcast or simply enjoying your favourite tracks, the adjustable settings let you tailor the audio output to suit your room and your listening preferences. The unit is built around a TL074 operational amplifier, chosen for its clean and reliable audio performance, and includes a pre-amplification stage that provides 5x amplification for a fuller, more detailed sound. Flexible Connectivity for Everyday Use The equaliser features a 3.5 mm input interface that supports a 4-pin plug, making it easy to connect a range of audio sources. The output connects to headphones with a built-in microphone, allowing normal voice call functions on mobile phones. This makes the unit a practical addition to a desktop setup, whether you are taking calls, listening to music or working on audio projects. Robust Build and Simple Power Requirements Housed in a durable aluminium alloy casing, this digital equaliser is designed to withstand regular use while remaining resistant to corrosion and stable in operation. It runs on a DC5V-12V power supply and delivers dual channel sound, making it straightforward to integrate into an existing audio chain. With an input impedance of 20K and an output impedance of 600 ohms, and a classic 4580 operational amplifier at the output stage, the unit offers dependable performance for home audio enthusiasts.