Dual Channel 31 Graphic Equalizer 231

The Dual Channel 31- Graphic Equalizer 231 is a powerful 2 rack space stereo/dual mono 31- Graphic Equalizer of uncompromising quality, performance and features. 

It also allows the user to see a graphic representation of equalization applied to the audio spectrum of a sound source and offers the flexibility to provide solutions to many EQ problems. 

The Dual Channel 31- Graphic Equalizer 231 offer up to 12dB of cut boost per band, and switchable low cut filters for each channel. Electric filter Switching minimizes transients (loud pops or clicks when the switch is depressed), and upto. 

 Samual Audio offers you the widest and most comprehensive range of professional sound system.

• We understand that cabinets are built to last a long time. We ensure a level of quality control essential to the longevity of your speakers.


• We have developed a thorough system of inspections that cover the entire process, from material checks, surface preparation for painting, general assembly and finishing to final acceptance.

Samual Audio always insist the business theory of "quality first, customers first, integrity services", to keep providing customers with competitive products. With the Professional R&D team, Samual Audio can develop different kinds of audio sound system products according to customer’s requirements, and we provide excellent after-sales service to all customers. Also, Samual Audio has an active and positive leading team, enterprising and aggressive employees, who abide by the quality rule so well. We will, as always, present high-quality products and perfect service to all our customers over the world.