Top 10 best-selling Equalizer

Gain pro-grade control over your sound with the JB systems GEQ215. This two-channel, 15-band graphic equalizer features balanced inputs, a bypass switch and a 50Hz low-cut function.

The ART EQ341 2-channel 15-band graphic equalizer enables you to get the best out of your audio by enhancing the frequency contours.

The Heritage Audio HA-81a Elite Channel Strip combines a 73-style preamp with an 81-style equaliser, giving you character-packed sound whether you're plugging in a microphone, a guitar or a bass.

The Gainlab Audio Empress stereo valve equalizer didn't just drop from the sky - this is an up-to-date iteration of the most acclaimed EQ of all time: the Pultec EQP-1a. Passive design for supreme, silky smooth results.

The Drawmer 1971 Parametric Equalizer supplies two channels, each with four bands: a low-shelf, two fully parametric mid-bands and a hi-shelf. Each band has also been fitted out with a Crush circuit for injecting some sweet saturation.

Rather than just strengthening or weakening specific frequencies, the Cranborne Audio Carnaby 500 harmonic equalizer creates new overtones, while the three bands grant ultimate control over the saturation level.

DBX's 231S equalizer provides exceptional sound and real reliability. Professionals that need an equalizer really need to take a look at a DBX.

The Omnitronic ISO-23 MK2 3-band DJ isolator injects a regulated mid, low, or high range boost or cut and boasts a convenient 19" rack design.

DBX's 215S equaliser provides exceptional sound and real reliability. Professionals that need an equaliser really need to take a look at a DBX.