Reference Audio RA-HELIOS 10.4 10 300W RMS 4 Ohm Slimline Subwoofer

Reference Audio RA-HELIOS 10.4 delivers powerful, controlled bass for demanding car audio builds. This slimline 10-inch subwoofer produces 300W RMS at 4 ohms, engineered for tight integration into modern vehicle cabins without sacrificing output. Compact profile maximizes interior space while maintaining the deep low-frequency response serious enthusiasts demand. Built for professional automotive installation and tuned to perform in sealed or ported enclosures. Ideal for upgrading factory systems or enhancing custom audio setups seeking premium subwoofer performance in a space-efficient package.

SPECS

• Brand: Reference Audio
• Model: RA-HELIOS 10.4
• Size: 10″
• RMS Power: 300W RMS
• Peak Power: 600W
• Voice Coil: Dual Voice Coil (DVC)
• Impedance: Dual 4Ω
• Type: Slimline / Shallow-Mount Subwoofer
• Cone: Composite
• Surround: Durable rubber
• Design: Space-saving shallow-mount construction
• Installation: Suitable for tight spaces and shallow enclosures
• Enclosure Compatibility: Sealed or ported enclosures