Orders placed after 4PM on weekdays will not ship until the next business day. Orders placed after 12pm Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
The Knockout Attack Equalizer from Electro-Harmonix is a two-filter combination equalizer. The Knockout EQ is designed to work with any instrument level signal from any
instrument or voice. It consists of one Low-Pass filter, one High-Pass filter, and a direct Dry signal, each with its own knob. The Low and High knobs deal with gain while the Dry signal serves as mediator between the two. The Low, High, and Dry elements may be used independently or in any combination to yield a specific and focused tonal sculpture.
The Low knob is a volume control for the low or bass frequencies; it controls the output volume from the Knockout's seven-pole Low-Pass filter and is also
responsible for contouring the bottom end in relation to the total sound. The High knob is a volume control for the high or treble frequencies;
it controls the output volume from the Knockout's six-pole High-Pass
filter and is also
responsible for contouring the high end to the total sound. The Dry knob is a volume control for the signal present at the input
jack. Use the Dry knob in conjunction with the Low and High knobs to create
your tone. A 9 VDC battery is included with the EQ.
True bypass mode
Tough and compact die-cast chassis
In the Box
Electro-Harmonix Knockout Attack Equalizer
9 VDC Battery
Limited 1-Year Warranty
Table of Contents
High Pass Filter: 6.5 kHz
Low Pass Filter: 85 Hz
1 x Knob: High
1 x Knob: Low
1 x Knob: Dry
1/4" phone jack, input
1/4" phone jack, output
Internal 9 VDC battery or optional US96DC-200BI external power supply