DS18 PSW8.4D PS Shallow-Mount Water-Resistant 8″ Subwoofer | 400W RMS DVC 4-Ohm

Why we stock the DS18 PSW8.4D

The DS18 PSW8.4D is a shallow-mount, water-resistant 8″ subwoofer with a dual 4 ohm voice coil, rated 400 watts RMS with 81 dB sensitivity.

It’s built for boats, UTVs and other spots that see water. Want a 10? See the PSW10.4D. For a dry install on a budget, use the SRW8.4D.

The PSW8.4D is a shallow-mount 8” subwoofer engineered to deliver serious low-end punch in minimal space.

Tight Spots and Deep DropsWith a mounting depth of just 3.5 inches and a total depth of 4”, the PSW8.4D fits clean into under-seat boxes, truck enclosures, and other compact builds but reaches frequencies as low as 20Hz

Dual 4-Ohm Voice Coils for Flexible WiringWired in series or parallel, the dual 4-ohm voice coils give you options for system matching and amp tuning. That means more control over your setup and more reliable performance under pressure.

Hit Hard and Stay CoolA 2″ aluminum voice coil and water-resistant paper + aluminum cone allow for better heat dissipation and long-lasting performance. The ferrite motor and high-roll rubber surround deliver strength and stability for extended play at high volume.

Tuned for AccuracyWith a sensitivity of 81dB and an optimal sealed box volume of 0.35–1.3 ft³, the PSW8.4D balances deep bass with tonal precision.

Bring the boom to any mounting space with DS18’s PSW8.4D!

• 8”
• 4Ω
• DVC
• Shallow Mount