Alpine S2-A55V 5-Channel Digital Amplifier – Class D 4x60W + 1x300W + FREE Volume Knob

The Alpine S2-A55V is a compact and powerful 5-channel Class D amplifier from the latest S-Series Generation 2. Designed to run a full car audio system (front + rear + subwoofer) from a single unit, it combines clean power, efficient performance, and smart integration features. This listing also includes a free Alpine volume knob controller – perfect for subwoofer level adjustment on the fly.

🛠️ Key Features:

• Class D 5-channel amplifier (digital).

• RMS Power Output:

 – 4 x 60W @ 4 Ohms + 1 x 300W @ 2 Ohms (Subwoofer)

 – 4 x 75W @ 2 Ohms + 1 x 500W @ 2 Ohms

 – Bridged: 2 x 120W + 1 x 300W

• Subwoofer channel with low-pass filter (50–400Hz) + Bass EQ + subsonic filter

• Front/rear channels with high-pass filters (50–400Hz)

• Signal-to-Noise Ratio: >85 dB

• Thermal and overload protection circuits

• Auto turn-on via high-level input

• Optional remote volume control included (gift)

• Dimensions: 273mm x 204mm x 60mm

• Designed for flexible OEM and aftermarket integration

✅ One Amp. Total System.

The S2-A55V allows you to power your front and rear speakers along with a dedicated subwoofer – all in one space-saving unit. With precise filtering and level control, it’s ideal for clean and controlled sound in any car audio setup. The included volume knob gives you quick bass control at your fingertips.

📦 What’s in the Box:

• Alpine S2-A55V amplifier (brand new, sealed)

• FREE Alpine volume knob controller

• Power and speaker terminal plugs

• Mounting screws

• User manual

• Factory Alpine packaging

🌍 Shipping Information:

We ship worldwide with tracking number via FedEx and EMS services.

Processing time: 1–2 business days

All items are securely packaged.

🔒 Important Notes:

✔️ All our products are 100% original, authentic, and brand new in sealed packaging.

✔️ We have been selling worldwide since 2006 with proven customer satisfaction.

✔️ Shipping address must be confirmed and verified via PayPal.

✔️ We are not an authorized Alpine dealer or distributor. All products offered are 100% genuine.

✔️ We do not ship to restricted countries – please check shipping details before purchase.

💬 Customer Service Comes First!

Your satisfaction is our top priority.

If you have any questions, concerns, or compatibility doubts,

please contact us directly before or after your purchase.

We’re here to help and will respond quickly and professionally.