mastering music | eye for detail.

About Masterenzo Mastering

Masterenzo Mastering is a Rotterdam based mastering facility. The studio ('Enjoy the Silence') is located in an old house built in 1927. It features daylight with beautiful stained glass windows and oozes vibe and energy.

The room is built with a living room atmosphere in mind and has a great sound. The heart of the studio is the custom built monitoring system featuring Peerless and Vifa drivers and external crossovers fitting the room perfectly.

Our approach is to take the track with most energy and vibe as the basis for the mastering session. All other tracks will be adjusted towards that same level of energy and vibe.

Our signal path is short; only the necessary outboard equipment is used to ensure a clean signal path. The analog outboard equipment is complemented with few plugins that are able to do processing not possible in the analog domain. A perfect marriage between analog and digital.

Masterenzo has worked for many artists including Stevie Ann, Phil Bee's Freedom, Charlie Dée and Gery Mendes. He has been in the business since 2003.
For further reference check the list with clients and artists mastered by Masterenzo Mastering.

Don't hesitate to contact us if you have any questions regarding your precious tracks/mixes.
For booking a mastering session you can also use the contact form at the bottom of this page.

Masterenzo Mastering is an Apple approved Mastered For iTunes mastering studio. Read this paper for information about the Apple Mastered For iTunes programme.


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    Mastering Studio Enjoy the Silence

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About the Engineer

Masterenzo.jpgMasterenzo Mastering was founded in 2011 by Renzo van Riemsdijk (Ede, 1973). After a chemistry study he decided to make a switch and began his career in music by studying electric guitar at the Rotterdam Conservatory back in the nineties. After graduating in 1999 his growing interest in the sound of recordings led to the beginning of his own mastering facility 'Masterenzo Audio Room' in 2003.
Over the following years he further improved his listening and mastering skills, all tought by self study.

He started working at Rotterdam based studios like the Excess Studios and the Real Music Room before building his own room in his own house in 2011. The room fits his custom built monitoring system perfectly and the studio is named after Depeche Mode's song 'Enjoy the Silence'.

Masterenzo stands out with his personal approach to each and every project against a very fair price to quality ratio.

Masterenzo's work is greatly influenced by mastering icon Bernie Grundman, an American engineer who has mastered landmark recordings such as 'Aja' by Steely Dan, Prince's 'Purple Rain' and 'Thriller' by Michael Jackson. His view, ears and mastering philosophy show an example of ultimate transparency, energy and musical impact.

Besides mastering Renzo spends his days listening to great music on vinyl or cd. He's a big fan of chocolat, great coffee and cooking. He also likes to spend quality time in the city of Rotterdam, preferably accompanied by some good friends.

Masterenzo writes monthly columns about mastering for Dutch music platform Popunie.
These columns are available in English and in Dutch. 

Mastering samples

Compare mixes to masters and feel the difference!
Listening with headphones or through a decent stereo set is recommended.

Masterenzo Mastering Rates and Info

Our mastering prices are based on a rate of 40 euro per track (excl. 21% VAT).
Please contact us if you have more tracks to be mastered (like an album or an ep) and we'll discuss the options fitting in your budget.

Clients within the EU with a valid EU VAT number and clients outside the EU pay no VAT.

Preparing files for mastering

  1. Leave a few dB's from the 0 dBFS ceiling when printing mixes to stereo
  2. Do not use any leveling tools like limiters or normalizers on the stereo bus
  3. Never change the sample rate of the files (kHz)
  4. Don't forget to register ISRC, it's free! Check the official ISRC site for more info. If you are Dutch, you can apply for ISRC at Sena
  5. Save your tracks as 32-bit or 24-bit data files (.wav or .aiff), mp3 is not suited for mastering!

Mastering for Vinyl

Vinyl masters are softer in tone and in volume than digital masters. Two files will be made, one for side A and one for side B.
Vinyl masters can be made from digital masters with some minor changes made.

Mastering for vinyl

Mastering for Spotify

Spotify and other music streaming services use loudness normalization to ensure equal loudness of every track. It's not necessary to provide overly loud masters. Actually, less limited and softer sounding masters tend to sound better with more dynamics due to the normalization process.
If 24-bit audio files are uploaded, Spotify itself will perform proper encoding to the format to be used by Spotify (for both the premium and free version).

Spotify has announced to start testing Spotify HiFi, lossless CD quality audio (16-bit/44.1 kHz) offered as an addition to Spotify.

Mastered for iTunes (MFiT)

The Apple Mastered for iTunes programme consists of a set of tools supplied by Apple to ensure proper AAC encoding of uncompressed Hi-Res 24-bit wav-files.
The files are adjusted for the highest possible fidelity on your computer, phone, tablet and Apple devices.

Masterenzo Mastering is an Apple approved Mastered For iTunes mastering facility.
More info about MFiT? Read the paper!


Some questions we get asked pretty often.

Why mastering?

It's a competitive market out there. One of the main goals with mastering is to let your music stand out quality wise between other music available on the market. It's all about energy ;-)

Proper file delivery for different types of music media. It's important to use the right file format for the right media.
CD for instance requires different files than music streaming services.

A fresh pair of ears to listen to your music!
Having heard your songs/mixes over and over makes it harder to make objective decisions.
Handing over your songs to a skilled mastering engineer ensures a whole new and objective view on your project.

Attended or unattended?

It's up to you. Normally spoken unattended sessions have faster turnaround times since we don't have to schedule an appointment to attend the session.

If you wish to attend the session: due to the size of the studio this is possible for a maximum of 2 people.

In price there is no difference between an attended or unattended mastering session.

What happens after I've booked a mastering session?

The moment when your mixes are done is the moment where mastering comes in.

As soon as we receive your final mixes we listen to them carefully.

The best sounding mix with most energy and vibe will be mastered first.

This track serves as the basis for other tracks to be mastered.

What about revisions?

We want our clients to be 100% satisfied with their masters.

If you'd like changes to be made, revisions are possible at no extra charge.

We do handle a fair use policy regarding the number of revisions.

Can you master alternative masters like radio edits or instrumentals?

Yes we can! Just let us know when alternative masters are needed. The sooner we know, the better.

There will be a small charge for mastering alternative takes of an already mastered song.

Do you offer stem mastering?

Yes we do. Sometimes working with stems makes it easier to make decisions about the balance of vocals or instruments in a song.

If many stems are used there will be a charge for the extra processing time.

Do you also do recording or mixing?

No, Masterenzo Mastering is a dedicated mastering studio.

We can get you in contact with some professional recording engineers offering quality recordings in their studio here in Rotterdam.

For mixing we advise you to contact mix engineer Caspar Wijnberg. He has been in the business for over 20 years and has worked with artists like Trijntje Oosterhuis, Candy Dulfer and Womack & Womack.

More info about him can be found on his Facebook page.

What's a DDP?

DDP stands for "Disc Description Protocol".
It's a set of files in a folder used for the replication of CD's.

If you plan to release an album or EP we will put the mastered files in correct order along with CD-Text and/or ISRC/UPC codes.

We will then make the DDP folder which can be easily sent to the CD pressing plant. DDP is far more reliable than sending physical CD's to the pressing plant.

Vinyl doesn't need a DDP. For a vinyl release 2 files will be made: one for side A and one for side B.

At Masterenzo Mastering the price of a DDP is embedded in the price of mastering an album or EP.

What music do you listen to yourself?

It depends on my mood but I'm a big fan of Norwegian singer-songwriter Thomas Dybdahl. At the moment I'm also listening a lot to guitarist and singer Blake Mills.

Also very cool is the Tedeschi Trucks band and of course my all time guitar hero Stevie Ray Vaughan.

Besides these artists there are so many great artists out there, I cannot even start to mention all of them but I'll try anyway:

Lenny Kravitz, Michael Landau, Jimmy Vaughan, Jimi Hendrix, Katy Perry, Madonna (early years), The Isley Brothers, James Taylor, Sting, The Police etc. etc. etc.

Chardonnay or Grüner Veltliner?

It all depends on the occasion or the food the wine is paired with.

They both are very well suited for either enjoying just a glass or as accompaniment for a good meal.

In the end all that matters is your personal taste but if you'd ask me, I'd go for the Grüner Veltliner. It's mineral character is priceless!

Info about preparation of your files for mastering can be found in the Rates and Info section.

Other questions? send us an email or fill in the contact form at the bottom of the page.


"Renzo is a true professional who delivers high quality, he is fast and he's very relaxed to work with. Tnx for the great job Renzo!"
Martijn Spierenburg, Spierenburg Music (producer)

"Most of my work to be mastered I send to Renzo. He is straightforward, fast and feels exactly what the master needs.
When the masters are returned (usually after only a few days), all my mixes are in complete balance without losing the integrity of the mix.
Renzo is great to work with and is very much involved in the projects I deliver to him."
Jurrie Meulman, Studio 9, Zwolle

"Mastering can make or break your project, so good communication and skills are a necessity. Renzo listens closely to the artist's needs and wishes and will translate this into the demanded sound and intensity.
To be recommended at the highest level!"
Phil Bee, Phil Bee's Freedom (soul blues)
Album Memphis Moon (Sept. 2016), Continental Records

"A Driven professional who is able to lay down a beautiful sound and knows very well what the music is asking for."
Dina (singer/songwriter with West African influences)
Album My Own Way

"He is fast, precise and knows what he is doing. In addition he is capable of getting the maximum out of the mixes.
That works very pleasant and feels comfortable."
Michiel Poelgeest, Villeneuf (pop)

"Renzo has a sharp ear for, and great affinity with acoustic singer/songwriter music. He was very open to my wishes regarding the sphere of the final product en that worked out very well. He showed himself to be a true master in control to reach a natural, pure sound with a spontaneous "live feel."
Renzo has had an important influence on the album!"
Paul de Bijl (singer/songwriter)

"Since I met Renzo and his work, I realized how bad I was listening before."
P.H. Devos (new folk, singer/songwriter)



  • Avalon VT-747sp tube/Class A compressor/equalizer
  • TK-Audio TK-lizer Mastering equalizer with Mid/Side matrix (modified)


  • Crane Song HEDD, AD/DA converter with tube harmonics and tape saturation


  • Custom built Thermionic Microlabs main monitor system (passive), 
    powered by vintage Marantz PM-66SE KI and Sony TA-F570ES amplifiers
  • Amphion One15 monitors for checking and evaluating mixes and masters, 
    powered by a vintage Pioneer Reference A-676 amp
  • MB Quart Phone 90 headphone
  • SPL 2Control monitor controller


  • Wavelab Pro 9
  • Sonoris DDP Creator
  • A selection of esoteric plugins by Kush Audio, Tokyo Dawn Labs (Ohlhorst Digital), FabFilter and Slate Digital


  • nOb knob controller
  • Unity teflon silver plated OFC cabling
  • A selection of esoteric coffee beans

Contact Masterenzo Mastering

Any questions? Want to book a session? Get in touch!

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Our Address

Masterenzo Mastering
Schielaan 32 A
3043 HC Rotterdam
The Netherlands

 telephone.png    +31 (0)6 21 462 953



Chamber of Commerce Rotterdam: 24342839

© 2017 Masterenzo Mastering | Rotterdam