HDI-3800 vs Audiovector QR 3
The QR 3's sensitivity is 90 dB against the HDI-3800's 92 dB and its low-frequency extension 30 Hz against 37 Hz. Both share impedance (4Ω) and ways (2.5).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersFloorstanding Speakers
Estimated price (community-sourced)
$2,200 - $3,300
Around — community and catalog average, updates slowly
About the HDI-3800
The JBL Synthesis HDI-3800 is a 2.5-way floorstanding loudspeaker featuring JBL’s HDI-X waveguide and a 25 mm Teonex compression driver, combined with three 8-inch (200 mm) Advanced Aluminum Matrix cone woofers. It has a bass-reflex enclosure, 4-ohm nominal impedance, 92 dB sensitivity, and a recommended amplifier range of 25–300 watts. Available finishes include high-gloss black, satin walnut, and satin gray oak.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 92 dB SPL @ 1W/1m
- Impedance
- 4Ω
- Frequency Response
- 37 Hz - 30 kHz
- Power Handling
- 300W
- Min. Amplifier Power
- 25W
- Max. Amplifier Power
- 300W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 2.5-way
- Driver Type
- Advanced Aluminum Matrix cone
- Driver Size
- 8"
- Driver Count
- 4
- Enclosure Type
- ported
- Crossover Frequency
- 800 Hz
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 300 × 1100.5 × 417.8 mm (W × H × D)
- Weight
- 38 kg (84 lbs)
- Available Colors
- High-gloss black, satin walnut, gray oak
Key Specifications
Sensitivity: 92 dB
Impedance: 4Ω
Frequency: 37-30000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions