Short answer: the JBL HDI-3800 for better sound quality, the PSB Imagine T65 for the lower price. The JBL HDI-3800 ranks #7 of 68 floorstanding speakers at $5000. The PSB Imagine T65 ranks #34 at $2699, $2301 cheaper.
What the PSB Imagine T65 offers: Three-way design with dual 6.5” woven carbon fiber woofers delivers genuinely strong, extended low end for a $2,699 tower - among the better performers Erin has measured in this price class. Distortion shows a clean second-order character with clear separation from third-order all the way up to 96 dB, indicating a well-controlled motor. Compression data shows enhancement rather than compression below about 50-60 Hz, so the bass can sound louder as you turn it up rather than choking off. Wide, forgiving vertical listening window (about ±25°) thanks to the 3-way layout, giving more seating and placement flexibility than most towers. Plenty of dynamic headroom for home theater use or a two-channel system - 100W drove it comfortably in Erin’s room. Watch for: Noticeable dip in the midrange/crossover region that Erin flagged as affecting dialogue and vocal clarity, though he notes a couple bands of EQ smooths it out. Some horizontal dispersion mismatch (about 10-15° of ballooning between 1-3 kHz) between the midrange and tweeter can add extra perceived attack or detail if your room’s sidewalls are reflective. Dips to 4 ohms, so it wants an amplifier comfortable driving a 4-ohm load. Distortion climbs above 3% around 60 Hz at 96 dB, though it’s benign second-order distortion.
What the JBL HDI-3800 offers: 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. 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. 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.
Buy the PSB Imagine T65 if the price matters more than sound quality. Buy the JBL HDI-3800 if sound quality matters more than the price.
Specifications Side By Side
| PSB Imagine T65 | JBL HDI-3800 | |
|---|---|---|
| Price | $2,699 | $5,000.00 Discontinued |
| Ranked | #34 of 68 in Large Size Floorstanding Speakers | #7 of 68 in Large Size Floorstanding Speakers |
| Drivers | 1" titanium dome tweeter, 5.25" woven carbon fiber midrange, 2x 6.5" woven carbon fiber woofers | 1 in. 2410H-2 Teonex compression driver with HDI horn, triple 8 in. Advanced Aluminum Matrix cone woofers |
| Crossovers | 600Hz & 2000Hz, 4th-order Linkwitz-Riley | - |
| Dimensions | 38-13/16"H x 8-3/8"W x 13.5"D (986 x 213 x 343mm) | 43.3"H x 11.8"W x 16.4"D (1100.5 x 300.0 x 417.8 mm) |
| Weight | 44 lbs each | 83.8 lbs / 38.0 kg each |
| Impedance | 8 ohms nominal (3.3 ohms minimum measured by Erin’s Audio Corner; manufacturer specifies 4 ohms minimum) | 4 ohms nominal (3.8 ohms minimum, measured by Erin’s Audio Corner) |
| Sensitivity | 85.1dB (measured average, Erin’s Audio Corner) | 92dB (measured average, Erin’s Audio Corner) |
| Recommended Power | 20-200W | - |
| Bass Reflex | Dual rear slot ports, individual woofer chambers | - |
| Bass Extension (-3dB) | 47Hz (measured average, Erin’s Audio Corner) | 37Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 26Hz (measured average, Erin’s Audio Corner) | 28Hz (measured, Erin’s Audio Corner) |
| Frequency Response | 28Hz - 20kHz (±1.5dB, manufacturer specified) | - |
| Discontinued | - | Yes |
| Woofer Cabinet | - | ported, rear |
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Prices on this page were last checked August 24, 2026 at 6:53 AM 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
PSB Imagine T65: $2,699 The Audio Factory eBay
Pros: Three-way design with dual 6.5” woven carbon fiber woofers delivers genuinely strong, extended low end for a $2,699 tower - among the better performers Erin has measured in this price class. Distortion shows a clean second-order character with clear separation from third-order all the way up to 96 dB, indicating a well-controlled motor. Compression data shows enhancement rather than compression below about 50-60 Hz, so the bass can sound louder as you turn it up rather than choking off. Wide, forgiving vertical listening window (about ±25°) thanks to the 3-way layout, giving more seating and placement flexibility than most towers. Plenty of dynamic headroom for home theater use or a two-channel system - 100W drove it comfortably in Erin’s room.
Cons: Noticeable dip in the midrange/crossover region that Erin flagged as affecting dialogue and vocal clarity, though he notes a couple bands of EQ smooths it out. Some horizontal dispersion mismatch (about 10-15° of ballooning between 1-3 kHz) between the midrange and tweeter can add extra perceived attack or detail if your room’s sidewalls are reflective. Dips to 4 ohms, so it wants an amplifier comfortable driving a 4-ohm load. Distortion climbs above 3% around 60 Hz at 96 dB, though it’s benign second-order distortion.
Full PSB Imagine T65 review and specifications →
| Bass Extension (-10dB) | 26Hz (measured average, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 47Hz (measured average, Erin's Audio Corner) |
| Bass Reflex | Dual rear slot ports, individual woofer chambers |
| Crossovers | 600Hz & 2000Hz, 4th-order Linkwitz-Riley |
| Dimensions | 38-13/16"H x 8-3/8"W x 13.5"D (986 x 213 x 343mm) |
| Drivers | 1" titanium dome tweeter, 5.25" woven carbon fiber midrange, 2x 6.5" woven carbon fiber woofers |
| Frequency Response | 28Hz - 20kHz (±1.5dB, manufacturer specified) |
| Impedance | 8 ohms nominal (3.3 ohms minimum measured by Erin's Audio Corner; manufacturer specifies 4 ohms minimum) |
| Recommended Power | 20-200W |
| Sensitivity | 85.1dB (measured average, Erin's Audio Corner) |
| Weight | 44 lbs each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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JBL HDI-3800: $5,000.00 Discontinued eBay
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.
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) |
| Dimensions | 43.3"H x 11.8"W x 16.4"D (1100.5 x 300.0 x 417.8 mm) |
| Discontinued | Yes |
| 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) |
| Weight | 83.8 lbs / 38.0 kg each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: JBL HDI-3800 Floorstanding Speaker Review More from Erin’s Audio Corner →
- Erin’s Audio Corner: Choosing the Ultimate Speaker: JBL Studio 698 or HDI-3800?
- Erin’s Audio Corner Website JBL HDI-3800
- Erin’s Audio Corner Measurements (spinorama.org)
- Reddit Search for JBL HDI-3800 Review
- Head-to-Head Comparisons