The Infinity Reference 253 ranks #72 out of 89 total Large Size Floorstanding Speakers for sound quality. See all Passive Home rankings for every top pick.
Brand: Infinity
Prices on this page were last checked October 4, 2026 at 9:58 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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#72 Infinity Reference 253: $400 per pair used Discontinued eBay
Pros: Horizontal beamwidth of about ±60 degrees is fairly smooth and well controlled. Really amazing value for the performance. Measured bass extension of 78Hz (-3dB), with a measured sensitivity of 86.9dB.
Cons: CEA2034 spinorama and predicted in-room response both show elevated treble above 4kHz (“too hot”), a dip around 2kHz, and bass shelved down relative to the midrange. Vertical directivity requires staying at or below the tweeter axis for accurate tonal balance. Distortion at 96dB SPL/1m is broadly elevated above the reviewer’s audibility threshold across much of the midrange. Minimum impedance dips to 4.2 ohms. Discontinued.
How it compares: Just above it: Polk Audio XT60 - $171 cheaper, 0.9Hz lower bass extension (-3dB). Just below it: Magnepan LRS+ - $900 more, 1.8Hz lower bass extension (-3dB).
| Bass Extension (-10dB) | 38Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 78Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 40.3”H x 6.8”W x 12.4”D (1023.6 x 172.7 x 315 mm) |
| Drivers | Dual 5.25” (130mm) CMMD™ woofers, 5.25” (130mm) flat-piston CMMD™ midrange, 1” (25mm) CMMD™ tweeter |
| Impedance | 6 ohms |
| Sensitivity | 86.9dB (measured by Audio Science Review; 88dB manufacturer specified) |
| Spinorama Preference Score | 5.43 (spinorama.org) |
| Spinorama Preference Score with Perfect Sub | 7.31 (spinorama.org) |
| Weight | 39.2 lbs (17.8 kg) each |
| Woofer Cabinet | ported, rear |
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