Wharfedale Diamond 12.0i is a 2-way Passive Bookshelf speaker by Wharfedale. It was released in December 2025. It features a 1" Soft-Dome Tweeter and 1 x 4" Mica-infused polypropylene Woofer. The speaker has a frequency range of 70-20k Hz and a sensitivity of 87 dB. Wharfedale Diamond 12.0i has an MSRP of 399$ per pair but can often be found around 0$ per pair.
Wharfedale's Diamond 12 Series of Loudspeakers
Wharfedale Diamond 12.0i is a member of Wharfedale's Diamond 12 series of Passive speakers. Diamond 12 is the latest generation of Wharfedale's acclaimed budget Diamond range. Below you can see the main specs of these speakers.
See all 10 Wharfedale Diamond 12 models compared »
Wharfedale Diamond 12 Series Speakers
Wharfedale Diamond 12 Series Speakers
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Frequency Response of the Wharfedale Diamond 12.0i Speaker
Wharfedale Diamond 12.0i has a Frequency response range of 70-20k Hz at ±3dB and Power Range of 20-60 watts. With a minimum frequency of 70 Hz, it is hard to expect a strong bass response from Wharfedale Diamond 12.0i so depending on your use case, using a subwoofer will significantly help to widen the response range.
To focus on the subwoofers that are in a similar price range with Wharfedale Diamond 12.0i, check out the Powered Subwoofers under $500. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how Wharfedale Diamond 12.0i's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Bookshelf Speakers
High Frequency
Bookshelf Speakers
Impedance and Sensitivity
Wharfedale Diamond 12.0i's nominal impedance level is
8 ohms and has a sensitivity of
87 dB.
Sensitivity
Bookshelf Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Wharfedale Diamond 12.0i is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
With a sensitivity level of only 87 dB, Wharfedale Diamond 12.0i 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.
Check the amplifiers that are in a similar price range to the Wharfedale Diamond 12.0i:
Input Type
Wharfedale Diamond 12.0i features Binding post type connectors. Bi-amping and Bi-wiring are not possible.
Wharfedale Diamond 12.0i External Dimensions and Weight
Wharfedale Diamond 12.0i has external dimensions of (Height x Width x Depth) 10-1/2inch x 6-3/8inch x 8-15/16inch (267.0 x 162.0 x 228.0mm ).
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 Diamond 12.0i is approximately 369.4cm2 / 57.3inch2.
WeightThe Wharfedale Diamond 12.0i weighs 5.09kg / 11.2lbs per piece. Here is a comparison of how Wharfedale Diamond 12.0i's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Weight
Bookshelf Speakers under $500
Available colors
Wharfedale Diamond 12.0i is available in Grey.
Wall Mounting
Wharfedale Diamond 12.0i 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 Wharfedale Diamond 12.0i?
Here are the items that are included inside the box of Wharfedale Diamond 12.0i:
- 2 Bookshelf loudspeakers
- 2 Grilles
- 8 Self-adhesive rubber feet
- User's Manual
Recommended Accessories
Here is a list of accessories that we think you may need for the Wharfedale Diamond 12.0i.
- 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.