Short answer: the MoFi SourcePoint 888. It ranks #8 of 228 floorstanding speakers by sound quality (rated 4.7/5) at $5,495 and is still sold new; the JBL HDI-3800 ranks #26 (rated 4.5/5) and is discontinued, so it is only an option used.
The case for the MoFi SourcePoint 888: Excellent floorstanding speakers for the money, with near full range bass and effortless dynamics. The catch: A significant investment, best ordered from a dealer with a good return policy.
The case for the JBL HDI-3800: A horn loaded tower with three 8 inch woofers, deep bass, high sensitivity and huge output for large home theaters. The catch: On-axis frequency response features a narrow upper-frequency elevation around 8-10kHz, performing noticeably smoother when toed out 10-20° off-axis.
Buy the MoFi SourcePoint 888. It is rated higher for sound quality; the JBL HDI-3800 is no longer sold new.
Still deciding? The full Passive Home rankings cover every ranked option.
Measured Differences
- Efficiency: the JBL HDI-3800 is rated at 92 dB sensitivity against 85.6 dB for the MoFi SourcePoint 888, so it plays as loud with roughly a third of the amplifier power.
- Close enough not to matter: bass extension (26 Hz vs 28 Hz, 10 dB down); preference score with a subwoofer (7.2 vs 7.0).
Prices on this page were last checked November 14, 2026 at 6:17 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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Specifications Side By Side
| MoFi SourcePoint 888 | JBL HDI-3800 | |
|---|---|---|
| Price | $5,495.00 per pair | $5,000 per pair Discontinued |
| Ranked | #8 of 228 in Large Size Floorstanding Speakers | #26 of 228 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 26Hz (measured, Erin’s Audio Corner) | 28Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 34Hz (measured, Erin’s Audio Corner) | 37Hz (measured, Erin’s Audio Corner) |
| Dimensions | 41.2”H x 12.6”W x 16.1”D (1046.5 x 320 x 408.9 mm) | 43.3”H x 11.8”W x 16.4”D (1100.5 x 300.0 x 417.8 mm) |
| Impedance | 6 ohms nominal, 5 ohms minimum (measured, Erin’s Audio Corner) | 4 ohms nominal (3.8 ohms minimum, measured by Erin’s Audio Corner) |
| Drivers | Dual 8” paper cone woofers, 8” Paper Cone midrange, 1.25” wide roll soft dome tweeter | 1 in. 2410H-2 Teonex compression driver with HDI horn, triple 8 in. Advanced Aluminum Matrix cone woofers |
| Sensitivity | 85.6dB (measured, Erin’s Audio Corner) | 92dB (measured average, Erin’s Audio Corner) |
| Weight | 94.8 lbs (43 kg) each | 83.8 lbs (38.0 kg) each |
| Woofer Cabinet | ported, rear | ported, rear |
| Spinorama Preference Score | 6.09 | 5.62 |
| Spinorama Preference Score with Perfect Sub | 7.21 | 7.03 |
| DIY Kit | No | No |
Where the Ratings Come From
- MoFi SourcePoint 888: Spinorama.org measurements and reviews by Erin’s Audio Corner.
- JBL HDI-3800: Spinorama.org measurements and reviews by Erin’s Audio Corner.
This comparison is generated from the ratings, specifications and measurements on each product’s own page, and it updates when that data changes. How we rank explains how each rating is decided.
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