HELIX U 10A - 10" 180W RMS Active Slim Under Seat Subwoofer

• Ultra-compact 10” active subwoofer designed for discreet under-seat installations
• Integrated 180W RMS / 360W Max amplifier delivers precise and dynamic bass
• Rigid aluminium housing ensures long-term stability and vibration damping
• Adjustable low-pass filter (50–150 Hz) and phase control (0°/180°)
• Automatic signal detection and turn-on function
• High-level (speaker) and low-level (RCA) input compatibility
• Remote control for subwoofer level adjustment included
• Built-in Class A/B amplifier for warm and musical sound reproduction
• Thermal, overload, and short-circuit protection

General

• Model: HELIX U 10A
• Subwoofer type: Active subwoofer (with integrated amplifier)
• Enclosure type: Sealed aluminium enclosure
• Power output (RMS / Max): 180 W / 360 W
• Amplifier class: Class A/B
• Frequency response: 20 Hz – 150 Hz
• Auto turn-on: Yes (signal detection)
• Phase control: 0° / 180° switchable
• Protection features: Thermal / Short-circuit / Overload

Input & Output

• Input sensitivity (Low level): 0.2 – 5 V
• Input sensitivity (High level): 1.0 – 10 V
• High-level input: Yes (via speaker connections)
• RCA input: Yes (low-level input)
• Remote bass control: Included (wired)

Filter & Crossover

• Low-pass filter: 50 – 150 Hz (variable)
• Bass boost: 0 – 6 dB @ 45 Hz

Power & Connectivity

• Power supply: 12V DC
• Fuse: 15A (included)
• Power consumption: 8A (nominal)
• Auto power on: Yes (DC sensing)

Physical Dimensions

• Dimensions (L × W × H): 345 × 250 × 68 mm
• Weight: 4.4 kg
• Housing: Aluminium die-cast
• Mounting position: Under seat or luggage compartment

• Universal fit — ideal for sedans, hatchbacks, SUVs, and Utes
• Compatible with both factory (OEM) and aftermarket head units
• Plug-and-play integration via high-level or RCA connections
• Works perfectly in conjunction with HELIX DSP amplifiers or standalone systems
• Ideal for sound upgrades requiring compact bass reinforcement