MAIN FEATURES
Alpine SWT‑12S4 12" (30cm) Bass Reflex Subwoofer Tube – 1000W Peak, 4Ω
The Alpine SWT‑12S4 is a high‑output 12" bass‑reflex subwoofer tube engineered for strong, punchy low‑end performance in a compact, easy‑to‑install enclosure. Designed for vehicles where space is limited but bass is essential, this ready‑built tube delivers impressive output with Alpine’s trademark reliability.
KEY FEATURES
- 12" (30cm) Bass Reflex Tube – Ported design for enhanced low‑frequency response and higher output
- 1000W Peak Power Handling – Capable of delivering powerful, dynamic bass when paired with a suitable amplifier
- 4Ω Single Voice Coil – Straightforward wiring and wide amplifier compatibility
- Integrated Protective Grille – Shields the woofer from luggage and daily use
- Compact, Boot‑Friendly Design – Ideal for hatchbacks, saloons, vans and 4x4s where space is at a premium
UK Deliveries: Free UK mainland delivery applies to orders over £30 (exceptions apply to remote regions and islands, which will see a surcharge at checkout).
Orders Under 2kg: Most in-stock items arrive in 2–3 working days. Items held by suppliers take 4–6 working days. (Note: Saturday is not a working day).
Orders Over 2kg: Dispatched via trusted couriers including AMAZON Shipping, Royal Mail, DPD, and UPS.
Royal Mail Specifics: Royal Mail aims to deliver in 1–3 working days, though this is not guaranteed. If your item has not arrived after 7 days, please contact us. We can only replace missing items after 14 days have passed.
More information (including international delivery on our Delivery Information page.
MAIN FEATURES
Alpine SWT‑12S4 12" (30cm) Bass Reflex Subwoofer Tube – 1000W Peak, 4Ω
The Alpine SWT‑12S4 is a high‑output 12" bass‑reflex subwoofer tube engineered for strong, punchy low‑end performance in a compact, easy‑to‑install enclosure. Designed for vehicles where space is limited but bass is essential, this ready‑built tube delivers impressive output with Alpine’s trademark reliability.
KEY FEATURES
- 12" (30cm) Bass Reflex Tube – Ported design for enhanced low‑frequency response and higher output
- 1000W Peak Power Handling – Capable of delivering powerful, dynamic bass when paired with a suitable amplifier
- 4Ω Single Voice Coil – Straightforward wiring and wide amplifier compatibility
- Integrated Protective Grille – Shields the woofer from luggage and daily use
- Compact, Boot‑Friendly Design – Ideal for hatchbacks, saloons, vans and 4x4s where space is at a premium
MAIN FEATURES
Alpine SWT‑12S4 12" (30cm) Bass Reflex Subwoofer Tube – 1000W Peak, 4Ω
The Alpine SWT‑12S4 is a high‑output 12" bass‑reflex subwoofer tube engineered for strong, punchy low‑end performance in a compact, easy‑to‑install enclosure. Designed for vehicles where space is limited but bass is essential, this ready‑built tube delivers impressive output with Alpine’s trademark reliability.
KEY FEATURES
- 12" (30cm) Bass Reflex Tube – Ported design for enhanced low‑frequency response and higher output
- 1000W Peak Power Handling – Capable of delivering powerful, dynamic bass when paired with a suitable amplifier
- 4Ω Single Voice Coil – Straightforward wiring and wide amplifier compatibility
- Integrated Protective Grille – Shields the woofer from luggage and daily use
- Compact, Boot‑Friendly Design – Ideal for hatchbacks, saloons, vans and 4x4s where space is at a premium
UK Deliveries: Free UK mainland delivery applies to orders over £30 (exceptions apply to remote regions and islands, which will see a surcharge at checkout).
Orders Under 2kg: Most in-stock items arrive in 2–3 working days. Items held by suppliers take 4–6 working days. (Note: Saturday is not a working day).
Orders Over 2kg: Dispatched via trusted couriers including AMAZON Shipping, Royal Mail, DPD, and UPS.
Royal Mail Specifics: Royal Mail aims to deliver in 1–3 working days, though this is not guaranteed. If your item has not arrived after 7 days, please contact us. We can only replace missing items after 14 days have passed.
More information (including international delivery on our Delivery Information page.
