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Wharfedale Diamond 12.1i

Diamond 12i series

The Wharfedale Diamond 12.1i is a bookshelf speaker with 8 Ω impedance and 88 dB sensitivity. Every receiver and amp in our catalogue can drive it.

Impedance
8 Ω
What the receiver must be rated for
Sensitivity
88 dB
Higher is louder per watt
Amplifier power
20–100 W
Wharfedale's recommendation
Bass extension
65 Hz
How low it plays

$499 a pair (MSRP, September 2026)

Check it with your receiverSee it in your room
3D model of the Wharfedale Diamond 12.1i

Drag to turn it. Built from the published dimensions, not a photo.

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Which receivers and amps can drive it?

What decides it is impedance: the Diamond 12.1i is 8 Ω, and the receiver or amp has to be rated for that.

  • Works

    Receivers and amps rated for 8 Ω

    29 in our catalogue

In its price range

All 29 receivers and amps we checked

Works29

Which center speaker matches it?

No center in our catalogue is from the Diamond 12i series yet. Any center plays; one from the same series is the closest tonal match.

Plan your room around the Diamond 12.1i.

Draw your room in 3D, place the Diamond 12.1i and see how they sound at your seat, with every connection to your receiver checked. Designing is free.

Build it in your room

Diamond 12.1i specifications

Impedance
8 Ω
Sensitivity
88 dB (2.83 V, 1 m)
Low end
65 Hz
Drivers
1 × 25 mm, 1 × 130 mm
Size
7×12×11 in
Recommended amplifier power
20–100 W
Weight
6.8 kg (15 lb)
MSRP
$499 a pair (MSRP, September 2026)

Every value comes from the sources under References, last retrieved September 15, 2026. To check it against the rest of your system, use the compatibility checker.

Questions about the Diamond 12.1i

What receiver do I need for the Diamond 12.1i?
One rated for 8 Ω speakers. In our catalogue, Denon AVR-S570BT, Emotiva BasX A-700 and Yamaha RX500A are rated to drive it.
Is the Diamond 12.1i 4 ohm or 8 ohm?
The Wharfedale Diamond 12.1i has a nominal impedance of 8 Ω. Use a receiver or amplifier rated down to 8 Ω or lower.
How much power does the Diamond 12.1i need?
Wharfedale recommends an amplifier of 20–100 W. Its sensitivity is 88 dB (2.83 V, 1 m). How much of that you use depends on how far you sit and how loud you listen, which the 3D editor works out for your room.
How low does the Diamond 12.1i go?
The Wharfedale Diamond 12.1i is rated down to 65 Hz. Below that, a subwoofer takes over; where the bass actually lands depends on your room's modes.
How big is the Diamond 12.1i?
The Wharfedale Diamond 12.1i measures 180 × 312 × 277 mm (7.1 × 12.3 × 10.9 in, width × height × depth) and weighs 6.8 kg (15 lb).

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References

  1. Wharfedale Diamond 12.1i: Manufacturer product page, wharfedaleusa.com, retrieved September 15, 2026
  2. Wharfedale Diamond 12.1i: Owner's manual, adorama.com, retrieved September 15, 2026

Brand names are trademarks of their owners. Not affiliated with or endorsed by any manufacturer. 3D models are our approximations. Prices are manufacturer list prices (MSRP) as of the month shown. How we earn from buy links: affiliate disclosure.