Short answer: the KEF R2 Meta. It ranks #7 of 98 center channel speakers by sound quality, rated 4.3/5, at $1,599.99. The Atlantic Technology 8600eC ranks #84, rated 3.3/5, at $1,400, $199.99 cheaper, a saving that is not big enough to make up the sound-quality gap.
The KEF R2 Meta is the more accurate option. A compact three-way sealed center with KEF’s 12th generation Uni-Q coaxial driver (25mm vented aluminium tweeter with MAT inside a 125mm midrange) and two 5.25” bass drivers. Its measured preference score, a predictor of how neutral it sounds, is 5.03 against 3.46 for the Atlantic Technology 8600eC. The catch: The only measurements are KEF’s own and have not been independently verified.
The Atlantic Technology 8600eC is the deeper-bass pick. A large sealed three-way center with four 6.5” woofers and two 5.25” midranges around a 1” silk dome tweeter, on a tilting base to aim it at the seats. Its bass reaches about 60.1Hz before falling 3dB, against 78.1Hz for the KEF R2 Meta. The catch: On-axis deviation (0.66) and a 3.2dB listening window spread from 300Hz to 5kHz keep its preference score at 3.46 without a subwoofer.
Buy the KEF R2 Meta. It is rated higher for sound quality, and the $199.99 you would save on the Atlantic Technology 8600eC does not close the gap.
Want more options? Browse the full Passive Home rankings.
Specifications Side By Side
| KEF R2 Meta | Atlantic Technology 8600eC | |
|---|---|---|
| Price | $1,599.99 each | $1,400 each |
| Ranked | #7 of 98 in Center Channel Speakers | #84 of 98 in Center Channel Speakers |
| Drivers | Uni-Q: 25mm vented aluminium dome tweeter with MAT, 125mm aluminium midrange; 2x 130mm (5.25”) hybrid aluminium bass units | 1” silk dome tweeter, 2x 5.25” glass fiber midranges, 4x 6.5” glass fiber woofers |
| Frequency Response | 67Hz-28kHz ±3dB (manufacturer specified) | 45Hz-25kHz ±3dB (manufacturer specified) |
| Sensitivity | 87dB (2.83V/1m, manufacturer specified) | 93dB (manufacturer specified) |
| Impedance | 4 ohms nominal, 3.2 ohms minimum (manufacturer specified) | 6 ohms nominal (manufacturer specified) |
| Woofer Cabinet | sealed | sealed |
| Dimensions | 6.9”H x 21.7”W x 12.2”D (175 x 550 x 309 mm) | 13.7”H x 37.6”W x 14.5”D (347 x 955 x 369 mm) |
| Weight | 34 lbs (15.4 kg) | 91.5 lbs (41.5 kg) |
| Bass Extension (-3dB) | 78.1Hz (measured, manufacturer data via spinorama.org) | 60.1Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | about 52.9Hz (measured, manufacturer data via spinorama.org) | about 43.4Hz (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 5.03 | 3.46 |
| Spinorama Preference Score with Perfect Sub | 7.75 | 5.88 |
| DIY Kit | No | No |
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Prices on this page were last checked October 5, 2026 at 10:21 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
KEF R2 Meta: $1,599.99 each Amazon eBay
Older model: the KEF R2c (ranked lower, rated 4/5).
Pros: A compact three-way sealed center with KEF’s 12th generation Uni-Q coaxial driver (25mm vented aluminium tweeter with MAT inside a 125mm midrange) and two 5.25” bass drivers. KEF’s Spinorama data shows low on-axis deviation (0.29) and a listening window within 2.3dB from 300Hz to 5kHz, for a preference score of 5.03 that reaches 7.75 with an ideal subwoofer. At 175mm tall it fits under most TVs.
Cons: The only measurements are KEF’s own and have not been independently verified. Bass rolls off at 78.1Hz (-3dB) and about 53Hz (-10dB), so it needs a subwoofer for movies. The 4 ohm load dips to 3.2 ohms, which suits a receiver with solid current delivery.
Full KEF R2 Meta review and specifications →
| Bass Extension (-10dB) | about 52.9Hz (measured, manufacturer data via spinorama.org) |
|---|---|
| Bass Extension (-3dB) | 78.1Hz (measured, manufacturer data via spinorama.org) |
| DIY Kit | No |
| Dimensions | 6.9”H x 21.7”W x 12.2”D (175 x 550 x 309 mm) |
| Drivers | Uni-Q: 25mm vented aluminium dome tweeter with MAT, 125mm aluminium midrange; 2x 130mm (5.25”) hybrid aluminium bass units |
| Frequency Response | 67Hz-28kHz ±3dB (manufacturer specified) |
| Impedance | 4 ohms nominal, 3.2 ohms minimum (manufacturer specified) |
| Sensitivity | 87dB (2.83V/1m, manufacturer specified) |
| Spinorama Preference Score | 5.03 |
| Spinorama Preference Score with Perfect Sub | 7.75 |
| Weight | 34 lbs (15.4 kg) |
| Woofer Cabinet | sealed |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Atlantic Technology 8600eC: $1,400 each Atlantic Technology eBay
Pros: A large sealed three-way center with four 6.5” woofers and two 5.25” midranges around a 1” silk dome tweeter, on a tilting base to aim it at the seats. Erin’s Audio Corner measured bass to 60.1Hz (-3dB) and about 43Hz (-10dB) and wide horizontal coverage (about ±60 degrees), and the 93dB sensitivity means it plays loud on modest power. Measured bass extension of 60.1Hz (-3dB).
Cons: On-axis deviation (0.66) and a 3.2dB listening window spread from 300Hz to 5kHz keep its preference score at 3.46 without a subwoofer. It is 955mm wide and weighs 41.5kg.
Full Atlantic Technology 8600eC review and specifications →
| Bass Extension (-10dB) | about 43.4Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 60.1Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 13.7”H x 37.6”W x 14.5”D (347 x 955 x 369 mm) |
| Drivers | 1” silk dome tweeter, 2x 5.25” glass fiber midranges, 4x 6.5” glass fiber woofers |
| Frequency Response | 45Hz-25kHz ±3dB (manufacturer specified) |
| Impedance | 6 ohms nominal (manufacturer specified) |
| Sensitivity | 93dB (manufacturer specified) |
| Spinorama Preference Score | 3.46 |
| Spinorama Preference Score with Perfect Sub | 5.88 |
| Weight | 91.5 lbs (41.5 kg) |
| Woofer Cabinet | sealed |
- Links
- Reviews, Comparisons and Sound Samples