4312G vs L82 Classic MkII
The L82 Classic MkII's sensitivity is 88 dB against the 4312G's 90 dB and its impedance 8Ω against 6Ω. Both share low-frequency extension (44 Hz) and high-frequency extension (40 kHz).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersBookshelf Speakers
Estimated price (community-sourced)
$1,059 - $2,500
Around — community and catalog average, updates slowly
About the 4312G
The JBL Synthesis 4312G is a 3-way, high-performance compact studio monitor bookshelf loudspeaker in JBL’s classic 1968-inspired configuration. It uses a 12-inch woofer, 5-inch midrange driver, and 1-inch aluminum/magnesium dome tweeter with waveguide, plus front-panel level controls for midrange and high frequencies. It is sold as mirror-imaged pairs and is designed for flexible horizontal or vertical placement.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 90 dB SPL @ 1W/1m
- Impedance
- 6Ω
- Frequency Response
- 44 Hz - 40 kHz
- Power Handling
- 200W
- Min. Amplifier Power
- 10W
- Max. Amplifier Power
- 200W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 3-way
- Driver Type
- dynamic
- Driver Size
- 12"
- Driver Count
- 3
- Enclosure Type
- ported
- Crossover Frequency
- 640 Hz
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 362 × 597 × 305 mm (W × H × D)
- Weight
- 23.8 kg (52 lbs)
- Available Colors
- black woodgrain, white
Key Specifications
Sensitivity: 90 dB
Impedance: 6Ω
Frequency: 44-40000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions