Revel Performa4 M145 is a 2-way Passive Bookshelf speaker by Revel. It was released in April 2026. It features a 1" Hard-Dome Tweeter and 1 x 5.25" Micro Ceramic Composite (MCC) Woofer. The speaker has a frequency range of 54-40k Hz and a sensitivity of 85 dB. Revel Performa4 M145 has an MSRP of 1999$ per pair but can often be found around 0$ per pair.
Revel's Performa4 Series of Loudspeakers
Performa4 M145 is a member of Revel's Performa4 series of Passive speakers. Performa4 is the latest generation of Revel's mid-tier Performa line, with new drivers and cabinets. Below you can see the main specs of these speakers.
See all 5 Revel Performa4 models compared »
Revel Performa4 Series Speakers
Frequency Response of the Revel Performa4 M145 Speaker
Revel Performa4 M145 has a Frequency response range of 54-40k Hz and Power Range of 15-150 watts. With a minimum frequency of 54 Hz, Performa4 M145 delivers moderate bass depth so depending on your use case, you might want to consider adding a subwoofer to your system.
Here we have a comparison of how Performa4 M145's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Bookshelf Speakers
Thinking about a subwoofer for the Revel Performa4 M145?
Among the speakers in our database with a max MSRP price of 2000$ (Pair), these are the 5 Passive Bookshelf speakers that have the deeper bass levels than the Revel Performa4 M145's 54Hz:
Impedance and Sensitivity
Revel Performa4 M145's nominal impedance level is
6 ohms and has a sensitivity of
85 dB.
Sensitivity
Bookshelf Speakers
Nominal Impedance of the 6 Ohms makes the Revel Performa4 M145 a relatively difficult to drive speaker compared to more frequently found 8 ohms speakers from nominal Impedance perspective.
Sensitivity
With a sensitivity level of only 85 dB, Revel Performa4 M145 is a difficult to drive speaker from Sensitivity perspective, make sure to choose an amplifier with a high output if you like listening to your music at high volume levels. You may especially have a hard time using Tube amplifiers which are traditionally very low power compared to Class A/B or Class D amps. Work out how loud the Revel Performa4 M145 plays in your room →
Running more than one pair from a single amplifier? Check the load it would present →
What amplifier does the Revel Performa4 M145 need?
At normal listening levels in a medium room, about
32–150 W
per channel into 6 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $2,000, or every amplifier we cover.
Input Type
Performa4 M145 features Binding post type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
Revel Performa4 M145 External Dimensions and Weight
Revel Performa4 M145 has external dimensions of (Height x Width x Depth) 11-5/8inch x 7-15/16inch x 9-5/8inch (296.0 x 202.0 x 245.0mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of Revel Performa4 M145 is approximately 494.9cm2 / 76.7inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe Revel Performa4 M145 weighs 6.82kg / 15lbs per piece. Here is a comparison of how Performa4 M145's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Weight
Bookshelf Speakers under $2000
Available colors
Revel Performa4 M145 is available in Black.
Wall Mounting
Performa4 M145 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.
What's in the Box of Revel Performa4 M145?
Here are the items that are included inside the box of Performa4 M145:
- 2 Bookshlef loudspeakers
- 2 Grilles
- 8 Self-adhesive feet
- 2 Port plugs
- Quick Start Guide
Recommended Accessories
Here is a list of accessories that we think you may need for the Revel Performa4 M145.
- Speaker Cable and Connectors
- Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
- Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.
- Speaker Stands: Stands bring your bookshelf speakers to ideal height (rule of thumb is to have the tweeter level with your ear in your listening position), helps stability and acoustical isolation.
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.