Short answer: the Klipsch RP-8000F II, if you are buying new. The JBL HDI-3800 ranks higher than it (#25 vs #113 of 188 floorstanding speakers, 4.5/5 vs 3.9/5) but is discontinued, so only consider it used; the Klipsch RP-8000F II is still sold new at $1,159.98.
The JBL HDI-3800 is the better-sounding, deeper-bass option. 2410H-2 1” Teonex compression driver matched to a custom High-Definition Imaging (HDI) horn geometry achieves exceptional horizontal directivity control, high output capability, and effortless transient response. Its bass reaches about 37Hz before falling 3dB, against 67Hz for the Klipsch RP-8000F II. Watch for: On-axis frequency response features a narrow upper-frequency elevation around 8-10kHz, performing noticeably smoother when toed out 10-20° off-axis.
What the Klipsch RP-8000F II does well: Highest sensitivity of the RP II floorstander line (~92dB measured) and the best dynamics/compression behavior of the three under load: the cleanest at high output. The tradeoff: Mid-bass sounds lean despite the dual 8-inch woofers, and bass extension disappointed for its size: expected to reach 50Hz, didn’t get there in-room.
Buy the Klipsch RP-8000F II if you want one new; the JBL HDI-3800 is discontinued, so only look for it used.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| JBL HDI-3800 | Klipsch RP-8000F II | |
|---|---|---|
| Price | $5,000 per pair Discontinued | $1,159.98 per pair |
| Ranked | #25 of 188 in Large Size Floorstanding Speakers | #113 of 188 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 28Hz (measured, Erin’s Audio Corner) | 33Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 37Hz (measured, Erin’s Audio Corner) | 67Hz (measured, Erin’s Audio Corner) |
| Dimensions | 43.3”H x 11.8”W x 16.4”D (1100.5 x 300.0 x 417.8 mm) | 43.1” x 10.8” x 18.3” (1095 x 275 x 464 mm) |
| Impedance | 4 ohms nominal (3.8 ohms minimum, measured by Erin’s Audio Corner) | 8 ohms nominal (3.7 ohms minimum above 80Hz, measured by Erin’s Audio Corner) |
| Sensitivity | 92dB (measured average, Erin’s Audio Corner) | 92dB (2.83V/1m, measured by Erin’s Audio Corner) |
| Drivers | 1 in. 2410H-2 Teonex compression driver with HDI horn, triple 8 in. Advanced Aluminum Matrix cone woofers | 1” titanium tweeter with 90x90 Tractrix horn, dual 8” cerametallic woofers |
| Weight | 83.8 lbs (38.0 kg) each | 61.3 lbs (27.8 kg) |
| Woofer Cabinet | ported, rear | ported, rear |
| Spinorama Preference Score | 5.62 | 5.39 |
| Spinorama Preference Score with Perfect Sub | 7.03 | 7.12 |
| DIY Kit | No | No |
| Frequency Response | - | 35Hz - 25kHz (+-3dB, Manufacturer specified) |
| Crossover Frequency | - | 1630Hz |
| Power Handling | - | 150W continuous, 600W peak |
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The Two Speakers In Full
JBL HDI-3800: $5,000 per pair Discontinued eBay
Same family: the JBL HDI-1600 (bookshelf, rated 4.2/5), the JBL HDI-3600 (smaller floorstanding, ranked lower, rated 4.3/5) and the JBL HDI-4500 (center, rated 3.7/5).
Pros: 2410H-2 1” Teonex compression driver matched to a custom High-Definition Imaging (HDI) horn geometry achieves exceptional horizontal directivity control, high output capability, and effortless transient response. Triple 8” Advanced Aluminum Matrix woofers deliver deep, authoritative bass extension down to an F3 of 37Hz and F10 of 28Hz with minimal low-frequency compression. Outstanding sensitivity (92dB SPL at 2.83V/1m) and ultra-low THD/multitone distortion allow extremely high undistorted SPL output in large home theater spaces. Measured bass extension of 37Hz (-3dB), with a measured sensitivity of 92dB.
Cons: On-axis frequency response features a narrow upper-frequency elevation around 8-10kHz, performing noticeably smoother when toed out 10-20° off-axis. Vertical directivity handoff across the triple woofer layout creates vertical soundstage height tilt depending on listening distance and ear height. Minimum impedance dips to 3.8 ohms, requiring high-current amplifier stability. Substantial cabinet dimensions and 38kg weight require significant room real estate. Discontinued.
Full JBL HDI-3800 review and specifications →
| Bass Extension (-10dB) | 28Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 37Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 43.3”H x 11.8”W x 16.4”D (1100.5 x 300.0 x 417.8 mm) |
| Drivers | 1 in. 2410H-2 Teonex compression driver with HDI horn, triple 8 in. Advanced Aluminum Matrix cone woofers |
| Impedance | 4 ohms nominal (3.8 ohms minimum, measured by Erin’s Audio Corner) |
| Sensitivity | 92dB (measured average, Erin’s Audio Corner) |
| Spinorama Preference Score | 5.62 |
| Spinorama Preference Score with Perfect Sub | 7.03 |
| Weight | 83.8 lbs (38.0 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Klipsch RP-8000F II: $1,159.98 per pair Amazon eBay
Same family: the Klipsch RP-500M II (smaller bookshelf, rated 4/5), the Klipsch RP-600M II (larger bookshelf, rated 3.7/5), the Klipsch RP-5000F II (smaller floorstanding, ranked higher, rated 4/5), the Klipsch RP-6000F II (smaller floorstanding, ranked lower, rated 3.9/5), the Klipsch RP-404C II (smallest center, rated 3.7/5), the Klipsch RP-500C II (center, rated 3.9/5) and the Klipsch RP-504C II (largest center, rated 3.8/5).
Pros: Highest sensitivity of the RP II floorstander line (~92dB measured) and the best dynamics/compression behavior of the three under load: the cleanest at high output. Dual 8-inch woofers and the highest power handling in the line. Measured bass extension of 67Hz (-3dB), with a measured sensitivity of 92dB.
Cons: Mid-bass sounds lean despite the dual 8-inch woofers, and bass extension disappointed for its size: expected to reach 50Hz, didn’t get there in-room. Has its own edgy upper-mid bump (2-6kHz) that’s harder to EQ out than the other two models’ issues, since it stems from the vertical horn/woofer offset rather than simple tonal balance. The most placement-critical of the three, with the narrowest horizontal (~40-50 degrees) and vertical (+5/-10 degrees) dispersion.
Full Klipsch RP-8000F II review and specifications →
| Bass Extension (-10dB) | 33Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 67Hz (measured, Erin’s Audio Corner) |
| Crossover Frequency | 1630Hz |
| DIY Kit | No |
| Dimensions | 43.1” x 10.8” x 18.3” (1095 x 275 x 464 mm) |
| Drivers | 1” titanium tweeter with 90x90 Tractrix horn, dual 8” cerametallic woofers |
| Frequency Response | 35Hz - 25kHz (+-3dB, Manufacturer specified) |
| Impedance | 8 ohms nominal (3.7 ohms minimum above 80Hz, measured by Erin’s Audio Corner) |
| Power Handling | 150W continuous, 600W peak |
| Sensitivity | 92dB (2.83V/1m, measured by Erin’s Audio Corner) |
| Spinorama Preference Score | 5.39 |
| Spinorama Preference Score with Perfect Sub | 7.12 |
| Weight | 61.3 lbs (27.8 kg) |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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