Wharfedale EVO4.S is a 3-way Passive Acoustic Suspension Surround speaker by Wharfedale. It was released in 2020. It features a AMT (Ribbon) Tweeter, 2 x 2" Midrange and 1 x 6.5" Woven Kevlar Woofer.
A dipole-style sealed surround: one 165 mm Kevlar bass driver, two 50 mm soft dome midranges and two 30 x 60 mm AMTs firing to either side.
The speaker has a frequency range of 70-22k Hz and a sensitivity of 88 dB. Wharfedale EVO4.S has an MSRP of 1299$ per pair.
Room Size Suitability
The size of the room where you plan to use the Wharfedale EVO4.S is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
| Listening Environment* |
Suitability |
| Near-field | Average |
| Small Room | Good |
| Mid-size Room | Average |
| Large Room | Poor |
| Very Large Room | Bad |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
Wharfedale's EVO4 Series of Loudspeakers
EVO4.S is a member of Wharfedale's EVO4 series of Passive speakers. The EVO4 range is Wharfedale's step-up line, pairing an AMT tweeter with woven-fibre drivers. Below you can see the main specs of these speakers.
See all 7 Wharfedale EVO4 models compared »
Wharfedale EVO4 Series Speakers
Wharfedale EVO4 Series Speakers
Frequency Response of the Wharfedale EVO4.S Speaker
Wharfedale EVO4.S has a Frequency response range of 70-22k Hz and Power Range of 25-120 watts. With a minimum frequency of 70 Hz, it is hard to expect a strong bass response from EVO4.S so depending on your use case, using a subwoofer will significantly help to widen the response range.
Here we have a comparison of how EVO4.S's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Surround Speakers
Thinking about a subwoofer for the Wharfedale EVO4.S?
Crossover frequency of the Wharfedale EVO4.S?
EVO4.S is a 3-way speaker and its crossover frequency between the woofer and the midrange is set to 1500 Hz and the crossover frequency between the midrange and the tweeter is set to 4400 Hz.
Impedance and Sensitivity
Wharfedale EVO4.S's nominal impedance level is
8 ohms but can go down to as low as
3.9 ohms, and has a sensitivity of
88 dB.
Sensitivity
Surround Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Wharfedale EVO4.S is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
88dB of the Wharfedale EVO4.S is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the Wharfedale EVO4.S plays in your room →
Minimum Impedance of the Wharfedale EVO4.S
Even though the nominal impedance of the EVO4.S is 8 ohms, the minimum impedance level of this speaker according to Wharfedale is 3.9 ohms Wharfedale EVO4.S so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
What amplifier does the Wharfedale EVO4.S need?
At normal listening levels in a medium room, about
12–120 W
per channel into 8 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $1,500, or every amplifier we cover.
Input Type
EVO4.S has Binding post type connectors and lets bi-amping/bi-wiring. Bi-wiring can enhance the overall transparency of your loudspeakers by using separate speaker wires for the low and high-frequency drivers from a single amplifier. Bi-amping, on the other hand, involves using separate amplifiers for the high and low-frequency drivers, potentially resulting in a greater dynamic range and reduced distortion.
Work out what gauge speaker cable this run needs →
Wharfedale EVO4.S External Dimensions and Weight
Wharfedale EVO4.S has external dimensions of (Height x Width x Depth) 9-5/8 x 15-3/4 x 6-1/8inch (245.0 x 400.0 x 155.0mm ).
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 Wharfedale EVO4.S is approximately 620.0cm2 / 96.1inch2.
Find speakers that fit your shelf or alcove →
WeightThe Wharfedale EVO4.S weighs 11.80kg / 26lbs per piece. Here is a comparison of how EVO4.S's weight compares with the average, max and min weights in its class.
Weight
All Surround Speakers
Weight
Surround Speakers under $1500
Cabinet type and Materials
Wharfedale EVO4.S has a
Acoustic Suspension type cabinet. Acoustic Suspension loudspeakers aka Sealed speakers have no openings such as ports or slots.. They can be designed smaller, the bass is more accurate and tighter compared to ported designs but doesn't go as low on the lower end in general.
Does the Wharfedale EVO4.S come with a Grille?
EVO4.S comes with grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.
Recommended Accessories
Here is a list of accessories that we think you may need for the Wharfedale EVO4.S.
Official Product Page
Official manufacturer's product page for the Wharfedale EVO4.S speaker can be found below:
Official Product Page for Wharfedale EVO4.S
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.