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iZotope Ozone 4 - Electronic Delivery

64-bit Mastering Plug-In Bundle with Dynamics, Equalization, Intelligent Loudness Maximizer, Mid-side Processing, and MBIT+ Dithering - Mac/PC
Item ID: Ozone4-e
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iZotope Ozone 4 - Electronic Delivery
iZotope Ozone 4 - Electronic Delivery

Master Like a Pro with Ozone 4!

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Our Product Research Team

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iZotope's Ozone 4 follows the mega-success of the Ozone 3 mastering system - largely considered one of the biggest bang-for-buck software offerings in the entire Sweetwater lineup. With the 64-bit Ozone 4, you can expect even more precision control over your sound. It offers up high quality mid-side processing in its EQ, Dynamics, and Harmonic Exciter - a phenomenal addition at this affordable price - as well as an Intelligent Loudness Maximizer and an Intelligent Crossover Mode. iZotope has enhanced their presets, now "Hyperpresets," making it even easier to get the results you want with Ozone 4.

iZotope Ozone 4 64-bit Mastering Plug-in at a Glance:
  • All the mastering tools you need in one plug-in
  • Classic sounds from analog-modeled dynamics, EQ, reverb, and more
  • High-quality mid-side processing
  • Uncompromised sound quality with 64-bit processing
  • Pro-quality dithering produces superior sounding CDs
All the mastering tools you need in one plug-in

iZotope Ozone 4 isn't just a collection of plug-ins - it's a single powerful interface that combines all the required mastering tools in one system. iZotope Ozone 4 is easy to use. And your mix sounds better because all processing is done via 64-bit DSP until final output. You can't get this sound quality and resolution by chaining separate plug-ins together - but Ozone 4 can do it!

Classic sounds from analog-modeled dynamics, EQ, reverb, and more

From the warm sound of tube-modeled equalizers to the pure transparency of linear phase filters, iZotope Ozone 4 provides the tools and the technology you need to deliver top-notch audio masters.

High-quality mid-side processing

Give Ozone's EQ, Dynamics, and Harmonic Exciter new power by separately processing different parts of the soundstage. Mid-side processing is usually only available on highly specialized plug-ins - and is a phenomenal offering at this affordable price point.

Pro-quality dithering produces superior sounding CDs

When you're ready to prepare your audio for CD, iZotope Ozone 4 provides premium-quality word-length reduction and high-order, psychoacoustic shaped dither. The included MBIT+ dither delivers psychoacoustically optimal word length reduction, which outperforms most other algorithms. In addition, iZotope Ozone 4's integrated DC offset filtering, auto-blanking and dither harmonic suppression result in dynamic and transparent conversions. A unique set of bit scopes and DC level meters provide a complete view of the digital bitstream and conversion process.

Additional features, including new "hyperpresets"

You'll work faster, easier and smarter with iZotope Ozone 4! It's easy to manage presets of your favorite settings with iZotope Ozone 4's modular integrated preset system. You can customize the signal processing order with a unique graphical flow chart, and automate over 150 parameters through automation. Ozone 4 now lets you quickly tweak preset parameters, including "warmth," "width," and "bass," so you can get the results you want even more quickly. With iZotope Ozone 4 you can also create A/B comparisons or step back through your tweaks with unlimited undo and history operations. And the best part is, iZotope Ozone 4 costs less than most other single-function plug-ins!

iZotope Ozone 4 Mastering System Features:
  • 64-bit internal processing chain
  • Supports up to 192kHz sampling rate
  • Complete mastering suite in a single plug-in
  • New mid-side processing in EQ, Dynamics, and Harmonic Exciter
  • Intelligent Crossover Mode
  • True Envelope dynamics processing
  • 8-band paragraphic EQ (linear-phase, tube-modeled and matching modes)
  • Multiband dynamics with compression, limiting, expansion, peak and RMS Detection modes
  • Multiband harmonic exciter with three excitation models
  • Multiband, frequency-dependent stereo imaging
  • Mastering reverb with plate and room-modeled algorithms
  • Intelligent Loudness Maximizer automatically adjusts to transients with sharpness and clarity while boosting the perceived loudness
  • MBIT+ dithering for psychoacoustically optimized word length reduction
  • Real-time analysis tools with FFT-based spectrum display and linear, Third-octave, and critical band modes
  • Correlation and phase meters
  • Dynamics meters with histogram, dynamics transfer function and gain reduction Meters
  • Dithering meters including DC offset meter and bit meter
  • Analog-modeled modes throughout for added warmth
  • Elegant, highly efficient user interface
  • Automation support
  • Superior stability
  • CPU-efficient
  • Hyperpreset library
  • Excellent documentation including extensive mastering and dithering tutorials
Master your mixes like a pro with iZotope Ozone 4!

Offer applies only to single-receipt qualifying purchases. Select manufacturers may require that only the manufacturer’s products qualify towards the minimum purchase amount needed to be eligible for promotional financing. Otherwise, an invoice that meets the minimum purchase amount and contains at least one qualifying manufacturer product is eligible for promotional financing. No interest will be charged on promo purchase balance, and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the amount financed divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months’ rounding. Regular account terms apply to non-promo purchases. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

Offer applies only to single-receipt qualifying purchases. No interest will be charged on the promo balance if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo balance from the purchase date. The required minimum monthly payments may or may not pay off the promo balance before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

The estimated required monthly payment shown which excludes taxes and delivery equals the amount financed divided by the number of months in the promo period, rounded up to the next cent. During the last month(s) of the promo period the required monthly payment may be reduced due to this rounding. These payments apply only with the financing offer shown. If you make these payments by the due date each month, you should pay off this amount financed within the promo period, if it is the only balance you are paying off. If you have other balances on your account, this payment will be added to any other minimum monthly payments.

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