Rack-mount graphic equalisers that deliver detailed frequency shaping and clear level metering for live and studio work. Engineers gain confidence during mixes thanks to visible LED metres and easy-access slide controls. Is the Rockville REQ42 Equalizer the right fit for a 19-inch rack installation?
⚡ At a Glance
- • Tone Control: Dual-channel 21+21 band graphic equaliser, giving a total of 42 bands for precise tonal adjustments
- • Best for: Live sound engineers and studio technicians who need granular frequency shaping and visual metering
- • Not ideal for: Setups that require built-in amplification or digital effects processing
Two independent 21-band channels provide fine-grained control across the audible range. Visible multi-colour LEDs and dual VU metres make level checking and adjustments straightforward.
Precise Frequency Shaping – with Dual Channel 21+21 Band Graphic EQ
Two independent channels, each with 21 graphic bands, allow narrow-band boosts and cuts across the audible spectrum; frequency response is specified at 20–20,000 Hz. Slide controls include blue LEDs for clearer position visibility.
Accurate corrective EQ and tonal tailoring help mixes sit better in rooms and on recordings, with fine adjustments available for problem frequencies.
Clear Level Monitoring – with Dual VU Metres and Multi-Colour LED Display
Dual VU metres provide analogue-style level indication while individual LED indicators and a multi-colour LED display show signal status visually. The unit also includes individual LED indicators for quick status checks.
Quickly spot level problems and balance channels during setup and performance, reducing guesswork when setting gain structure.
Flexible Connections for Playback and Recording – with RCA Inputs/Outputs and Front-Panel 3.5mm Jack
RCA stereo inputs with a front-panel selector switch accept sources such as DVD, tape, tuner or MP3 players; RCA stereo record output and labelled outputs (REC, Mail) provide a dedicated feed. A front-panel 3.5mm jack accepts iPod/MP3 players.
Easily connect playback devices during soundchecks and capture a clean stereo feed for recording or archiving performances.
✨ The 4 Key Reasons for Rockville REQ42 Equalizer
- Blue LED Slide Controls – Quickly identify band positions in dimly lit racks
- Front-Panel 3.5mm Input – Plug phones or MP3 players for instant playback during soundchecks
- RCA Record Output – Send a clean stereo feed for live recording or archiving sessions
- Removable Rack Brackets – Fit neatly into a 19-inch rack or smaller transport cases
📋 Technical Details at a Glance
- Category: Musical Instruments / Rack-mount Graphic Equaliser
- Rack Mount: 19" rack mountable
- Channels/Bands: Dual channel, 21 + 21 band (42 bands total)
- Slide Controls: Blue LED on each equaliser slide control
- Display: Multi-colour LED display
❓ Frequently Asked Questions
Q: Is the unit rack-mountable?
A: Yes, the unit is 19-inch rack mountable and includes removable rack mount brackets for installation.
Q: How many bands and channels does the equaliser have?
A: There are two channels, each with 21 bands, giving a total of 42 graphic EQ bands for detailed tonal control.
Q: What inputs and outputs are available for playback and recording?
A: RCA stereo inputs with a front-panel selector switch and an RCA stereo record output are provided, along with a front-panel 3.5mm jack for MP3/iPod connection.
🏆 Our Verdict
The Rockville REQ42 Equalizer is best suited for sound engineers and studios that require detailed frequency control and visible level monitoring. The combination of dual 21-band channels, multi-colour LED metering and dedicated record outputs makes it especially useful for live sound and recording tasks. Long-term value is strong where ease of setup and precise tonal shaping matter most.
