HGS-12 vs ULD-15 MkII
The ULD-15 MkII's power @ 8ω is 400W against the HGS-12's 1.3kW and its sensitivity 104 dB against 88.1 dB. Both share impedance (8Ω) and ways (1).
Both turn up in the same documented systems.
AI-generated product photo — not official manufacturer imagery.
LoudspeakersSubwoofersPowered LoudspeakersDiscontinued
Estimated price (community-sourced)
$450
Around — community and catalog average, updates slowly
About the HGS-12
The Velodyne HGS-12 (High Gain Servo) is a sealed-box powered subwoofer featuring a 12-inch driver with a 19.3-pound magnet structure and 3-inch tandem push-pull voice coil. The subwoofer integrates a 1,250-watt RMS built-in amplifier and servo-feedback technology for precise bass control. Its compact cubic design makes it suitable for both home theater and music listening applications. The HGS-12 is known for its ability to integrate seamlessly with main speakers, allowing them to focus on midrange and treble reproduction while the subwoofer handles low-frequency content. It has been highly regarded in the audio community as one of the best compact subwoofers available.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 88.1 dB SPL @ 1W/1m
- Impedance
- 8Ω
- Frequency Response
- 20 Hz - 125 Hz
- Power Handling
- 1.3kW
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 1.3kW @ 8Ω
Speaker Design
Driver configuration and enclosure design
- Configuration
- 1-way
- Driver Type
- dynamic
- Driver Size
- 12"
- Driver Count
- 1
- Enclosure Type
- sealed
- Crossover Frequency
- 120 Hz
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 355.6 × 355.6 × 355.6 mm (W × H × D)
- Weight
- 21.32 kg (47 lbs)
- Available Colors
- Gloss Black
Key Specifications
Sensitivity: 88.1 dB
Impedance: 8Ω
Power: 1250W
Frequency: 20-125 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions