I cant get the slide controls to change any kind of frequency. Can you help?

There is a button that says EQ , if you do not engage the EQ your in bypass mode and there will be no Equalization . So press that button , but turn the volume to a lower level , because when the the EQ is engaged the volume will bump up . And also make sure your connections are correct, stereo out to EQ in . If your not sure if your hook up is correct refer to you Stereo owners manual.

How does the spectrum analyzer work

It's fake- it doesn't represent anything other than the overall level with a completely made-up representation of frequencies.

i have a sherwood receiver and yamaha speakers for outside deck,would this eq work for this?

Depends upon the inputs and outputs for your receiver. Also depends upon whether your receiver supports an equalizer loop. Also depends upon whether you pipe other sources into your receiver or not. Don't take this equalizer outdoors, of course.

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Rockville REQ42-B Black 19" Rack Mount 2 x 21 Band Graphic Equalizer EQ

Rockville REQ42-B Black 19" Rack Mount 2 x 21 Band Graphic Equalizer EQ

Product ID: 5110809

🔵Blue LED sliders + multi-color display for real-time visual feedback

🎚️2 x 21-band EQ for ultra-precise sound sculpting

🖥️19" rack-mountable with removable brackets for seamless pro integration

€ 316.22

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Description

🎛️ Elevate your sound game with precision and style — don’t just hear it, own it!

PRO GRADE RACK READY - Standard 19" rack-mount design with removable brackets fits any studio or DJ rig.
LIGHTWEIGHT DURABLE - Robust black metal chassis weighing just 6 lbs—built to perform anywhere.
DUAL 21 BAND EQ MASTERY - Fine-tune every frequency from 20Hz to 20kHz with unmatched precision.
PLUG PLAY VERSATILITY - RCA stereo input/output plus front 3.5mm jack for effortless device connectivity.
VISUAL AUDIO COMMAND CENTER - Blue LED sliders and dual VU meters keep your levels perfectly in check.

The Rockville REQ42-B is a professional dual 21-band graphic equalizer designed for precise audio control across the full 20Hz-20kHz spectrum. Featuring a 19" rack-mountable chassis with removable brackets, it integrates seamlessly into studio and live setups. Equipped with RCA stereo inputs/outputs and a front 3.5mm MP3/iPod jack, it offers versatile connectivity. Blue LED sliders, multi-color displays, and dual VU meters provide real-time visual monitoring. Lightweight yet durable, this equalizer is ideal for DJs, sound engineers, and audio enthusiasts seeking tailored, high-fidelity sound.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.