Alto Utopia Be vs JBL Synthesis S3900
The S3900's sensitivity is 92 dB against the Alto Utopia Be's 91 dB, its impedance 6Ω against 8Ω, and its low-frequency extension 33 Hz against 30 Hz. Both share high-frequency extension (40 kHz).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersFloorstanding SpeakersDiscontinued
Estimated price (community-sourced)
$6,500
Around — community and catalog average, updates slowly
About the Alto Utopia Be
The JM Labs Alto Utopia BE is a premium HiFi speaker designed for audiophiles. It features a 25mm beryllium tweeter, a 165mm W-cone midrange driver, and a bass driver. The speaker is known for its clear and detailed sound reproduction, making it a favorite among those seeking high-quality audio.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 91 dB SPL @ 1W/1m
- Impedance
- 8Ω
- Frequency Response
- 30 Hz - 40 kHz
- Power Handling
- 250W
Speaker Design
Driver configuration and enclosure design
- Driver Size
- 6.5"
- Driver Count
- 3
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 374.65 × 1200.15 × 527.05 mm (W × H × D)
- Weight
- 75.3 kg (166 lbs)
Key Specifications
Sensitivity: 91 dB
Impedance: 8Ω
Frequency: 30-40000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions