Synthesis 4349 vs Acoustic Zen Adagio Jr.
The Adagio Jr.'s sensitivity is 89 dB against the Synthesis 4349's 91 dB and its impedance 6Ω against 8Ω. Both share high-frequency extension (25 kHz) and ways (2).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersBookshelf Speakers
Estimated price (community-sourced)
$4,125
Around — community and catalog average, updates slowly
About the Synthesis 4349
The JBL Synthesis 4349 is a 2-way monitor loudspeaker featuring a 12-inch (300mm) Pure Pulp cone woofer and a D2415K dual 1.5-inch (38mm) high-frequency compression driver with patented High-Definition Imaging (HDI) horn technology. It is designed for powerful dynamics and accurate sound reproduction, making it suitable for both professional and home audio setups.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 91 dB SPL @ 1W/1m
- Impedance
- 8Ω
- Frequency Response
- 32 Hz - 25 kHz
- Power Handling
- 200W
- Min. Amplifier Power
- 25W
- Max. Amplifier Power
- 200W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 2-way
- Driver Type
- dynamic
- Driver Size
- 12"
- Driver Count
- 2
- Enclosure Type
- ported
- Crossover Frequency
- 1.5 kHz
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 444.5 × 736.6 × 317.5 mm (W × H × D)
- Weight
- 37.7 kg (83 lbs)
Key Specifications
Sensitivity: 91 dB
Impedance: 8Ω
Frequency: 32-25000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions