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Meris 440 500 Series Mic Preamp

500 Series Mic Preamp and DI with Built-in Effects Loop and EQ
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Item ID: 440MicPre500
Meris 440 500 Series Mic Preamp
Price:$549 and 00 cents
Special Financing - Ends Aug 2, 2026. $16/month with 36 month financing*

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While this isn't an item we normally stock, we can still get it due to our great relationship with Meris. Go ahead and place your order and we'll follow up shortly to let you know when to expect it. Estimated July 2026.

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Meris 440 500 Series Mic Preamp
We Can Get It!
Price:$549 and 00 cents
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This article was Written By

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The Definitive Preamp for Guitar Recording and More

Designed for recording guitar, the Meris 440 mic preamp is an all-analog mic preamp with a classic analog console sound and a built-in, pedalboard-friendly effects loop. Install it in any 500 Series–compatible mic chassis and get ready to experience studio-grade audio quality with an unmistakable analog attitude. The Meris 440’s unique effects loop is a spectacular creative tool both during recording and mixdown, which empowers you to integrate your favorite stompboxes into your recording signal chain. While the Meris is aimed at guitarists, engineers at Sweetwater found that it sounds great on every source, and the effects loop feature opens up a world of possibilities when reamping tracks. Get ready to take your recordings to the next level with the Meris 440 mic preamp.

CineMag transformers impart the sound of an analog console

The Meris 440 employs CineMag input and output transformers and hybrid-discrete op-amps to capture the sound of an American console classic. This potent combination imbues the Meris 440 with a distinct analog character — full, fat, and warm. It’s a tonic for sterile digital recordings, adding vitality to every signal that passes through it. Whether you’re recording guitar, vocals, drums, or re-amping tracks through its effects loop, the Meris 440 wraps your audio in dreamy analog mojo.

Pedal-friendly effects loop for creative recording and re-amping

While it rocks simply as a mic preamp, the Meris 440 ups the awesome factor with a pedal-friendly post effects loop. Atmospheric effects, such as modulated delays, shimmer reverbs, and swirling choruses, in your guitar signal chain can lose clarity once they hit your amp. With the Meris 440, you can dial in your ideal clean or drive tone, mic it up, and run it through your favorite time-based and modulation pedals post amp. You get the best of both worlds — amp character and crystal-clear effects. But it doesn’t stop there. The Meris 440 is a perfect re-amping platform, letting you use your stompboxes like studio outboard gear. Crunch up your drums with fuzz. Add lush analog bucket brigade delay to vocals. Or get even weirder with multi-effects units. The possibilities are limitless! And, with two Meris 440s, you can have your effects in stereo!

Analog filters deliver a finished tone

Top engineers will tell you that it’s important to get the sound right at the source. Not only does it save you time during mixdown, but you also get a surer understanding of the tonal interaction of the instruments in your arrangement. To assist with this, the Meris 440 includes an all-analog highpass filter and high-frequency shelving. Cut out mud and low-end rumble with the highpass filter (which features selectable cutoff frequencies at 80Hz and 200Hz) and add sheen to the top end with high-frequency shelving, starting at 4kHz or 7kHz. You’ll enjoy a finished tone recorded straight into the box with no additional plug-ins required!

Meris 440 500 Series Mic Preamp Features:

  • All-analog mic preamp with CineMag transformers and hybrid-discrete op-amps
  • Delivers the sound of a classic American recording console
  • Built-in effects loop opens up creative recording and mixing possibilities
  • Highpass filter and high-frequency shelving EQ deliver a finished tone
  • Compatible with all 500 Series chassis
  • 48-volt phantom power, -20dB pad, and phase reverse
  • Designed and built in Los Angeles, California

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Tech Specs

  • Preamp Type: Solid State
  • Number of Channels: 1
  • Frequency Response: 20Hz-20kHz (±0.3dB)
  • Phantom Power: Yes
  • Pads: -20dB
  • Polarity Switch: Yes
  • EQ: 80Hz/200Hz Highpass Filter, 4kHz/7kHz High Shelf Filter
  • Analog Inputs: 1 x 1/4" (DI/return)
  • Analog Outputs: 1 x 1/4" (send)
  • Module Slot Size: Single
  • Power Usage: ±16V DC
  • Depth: 6"
  • Manufacturer Part Number: A-500-440

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Reviews

Great Preamps !!
These should be in every one's arsenal. Great clean preamps with shapeable eq perfect for guitar or vocals. And the fX loop is a bonus. With the ability to run your high gain amps and have your wet time based effects post is a wonderful thing!
Great preamp!
This preamp is great on anything. Built with the highest quality and attention to detail as are all Meris products. EQ switches perfect for vocals and guitar and the added features of the FX Loop. Great for adding post wet FX to an amp that doesn't have an fX loop.
Great!
This preamp is great! It has a thick, warm tonality, not unlike an API 312c but maybe slightly less top end openness. It sounded quite thick paired with my favorite LDC for vocals. I'm still working through a comparison with my other preferred options for vocals, but I found it immediately useful and possibly a great way to balance out something with a little more top end.

The dipswitches for the LPF and high boost work pretty well, and the top boost does great for a darker mic like a ribbon. The other features are standard fare.

However, I love the mic preamp tone along with running vocals, acoustic guitar, mandolin, etc. through my pedals! Tons of creative fun to be had. I did find the return input was fairly low, but the output trim works to bring it back up after pedals. I didn't push the output that hard however.

I think this is a great alternative to an effects loop, in the sense that you can put the speaker and mic into the typical time-based effects, giving a different character to guitars, but the real fun is hitting unbalanced, instrument level pedals with vocals, acoustic, or really anything with the mic pre.

Would highly recommend if you're looking for a preamp with great character and if you have lots of guitar pedals you'd want to put into the mix without worrying about sending a hot, balanced signal from the interface.