---
product_id: 532224143
title: "Alphasonik AS120A 12\" 1500 Watts with a Built-in Amplifier Down-Firing Shallow Mount Enclosed for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure"
brand: "alphasonik"
price: "€ 751.94"
currency: EUR
in_stock: true
reviews_count: 8
category: "Alphasonik"
url: https://www.desertcart.gr/products/532224143-alphasonik-as120a-12-1500-watts-with-a-built-in-amplifier
store_origin: GR
region: Greece
---

# Slim 21x7x14 in fit 1500W peak power Remote bass control Alphasonik AS120A 12" 1500 Watts with a Built-in Amplifier Down-Firing Shallow Mount Enclosed for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure

**Brand:** alphasonik
**Price:** € 751.94
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate your ride’s bass game — slim, powerful, and ready to roar!

## Quick Answers

- **What is this?** Alphasonik AS120A 12" 1500 Watts with a Built-in Amplifier Down-Firing Shallow Mount Enclosed for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure by alphasonik
- **How much does it cost?** € 751.94 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/532224143-alphasonik-as120a-12-1500-watts-with-a-built-in-amplifier)

## Best For

- alphasonik enthusiasts

## Why This Product

- Trusted alphasonik brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built-In Amplifier:** Integrated 500W amp with Hi/Low inputs, crossover, and bass boost delivers pro-grade audio control and clarity.
- • **Space-Savvy Design:** Slim, shallow mount enclosure fits effortlessly in tight car and truck spaces without compromising sound quality.
- • **Custom Bass Control:** Fine-tune your vibe with a remote bass knob and adjustable crossover (50Hz-200Hz) for personalized soundscapes.
- • **Durable Craftsmanship:** Premium spun aluminum cone, rubber surround, and MDF enclosure ensure long-lasting, high-fidelity performance.
- • **Powerhouse Performance:** Unleash deep, crystal-clear bass with 1500 watts peak power and 500 watts RMS for an immersive sound experience.

## Overview

The Alphasonik AS120A is a 12-inch down-firing subwoofer with a built-in 1500W peak amplifier, designed for tight spaces in cars and trucks. Featuring a slim sealed MDF enclosure, it offers 500W RMS power, a 4-ohm impedance, and a 90dB sensitivity rating. With customizable bass boost, crossover controls, and a remote bass knob, it delivers powerful, clear bass while fitting compactly in limited spaces.

## Description

Buy Alphasonik AS120A 12" 1500 Watts with a Built-in Amplifier Down-Firing Shallow Mount Enclosed for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure: Enclosed Subwoofer Systems - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Amp built into subwoofer enclosure - Need 5 gauge wiring kit. Take time running wires and have a continuity test light handy for finding a good ground and to troubleshoot if amp for some reason don't have power. Has good sound. Good bass. Overall if your not looking for super loud bass that's not gonna make your ears ring. This is a good subwoofer. Have it paired with Orion 6.75" speakers. I'm happy with the subwoofer amp enclosure
Review: Supplied directions????? - Only resaon not a 5 star is the directions supplied were lacking. I had to call the company twice to get it to work. Sounds great , plenty of Bass. Great product they just need to fix their directions a bit.

## Features

- POWERFUL SUBWOOFER: Experience the Alphasonik AS120A's 12" Shallow Active Downfire Subwoofer that brings every beat to life with a peak power of 1500 watts and RMS of 500 watts. The Downfire Subwoofer Box, with a final impedance of 4 Ohms and a sensitivity of 90dB, ensures an immersive audio experience that's hard to match.
- BUILT-IN AMPLIFIER: Experience the all NEW AS120A Active down-firing Subs with a built-in 500 Watt / 1500 Watt MAX amplifier. The Truck Subs deliver a sound output that is clear, crisp, and loud, featuring Hi and Low level inputs, crossover, 0-+12dB bass boost, solid nickel plated power terminal blocks and a remote bass knob.
- QUALITY CONSTRUCTION: Rely on the quality construction of the Car Subwoofer, featuring a Spun Aluminum Cone, Rubber EPDM Surround, and a Copper Wound Kapton Voice Coil. The Small Sub Woofers for Cars not only ensure durability but also enhance the sound quality with MDF Construction and Industrial Strength Carpet.
- COMPACT DIMENSIONS: Fit the compact dimensions of the Sub Woofer Systems into tight spaces in cars and trucks, measuring 21 x 7 x 14 inches or 534mm x 178mm x 355mm (WxHxD). The Sub and Amp Combo can be mounted vertically or horizontally, making it a perfect fit for a wide range of vehicles.
- CUSTOMIZABLE AUDIO: The Subwoofer 12 Slim allows you to customize your audio experience with the Low Pass Crossover ranging from 50Hz to 200Hz, and a Bass Boost of 0 to +12dB. With the 12in Sub, you gain complete control over the sound output through the inclusion of Hi & Low Level Inputs, Solid Nickel Plated Terminal Blocks, and a Remote Bass Knob.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BWF766WN |
| Additional Features | Remote Bass Knob |
| Antenna Location | For Mobile Audio |
| Audio Driver Size | 12 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Mono |
| Best Sellers Rank | #59,365 in Electronics ( See Top 100 in Electronics ) #242 in Car Component Subwoofers |
| Brand | Alphasonik |
| Built-In Media | 12" Active Down Fire Shallow Mount Enclosure, Mounting Brackets, Owner's Manual, Remote Bass Knob |
| Color | [BLACK|GRAY] |
| Compatible Devices | Desktop, Laptop, MP3 Player, Projector, Smartphone, Tablet, Television |
| Compatible with Vehicle Type | Car, Truck |
| Connectivity Protocol | RCA, Speaker-Level |
| Connectivity Technology | Active |
| Control Method | Remote |
| Controller Type | Remote Control |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.0 out of 5 stars 47 Reviews |
| Enclosure Material | MDF Wood |
| Frequency Response | 50.2 Hz |
| Global Trade Identification Number | 00810109980147 |
| Impedance | 4 Ohms |
| Input Voltage | 12 Volts |
| Is Waterproof | False |
| Item Dimensions D x W x H | 14"D x 21"W x 7"H |
| Item Weight | 28 Pounds |
| MP3 player | No |
| Manufacturer | Alphasonik |
| Model Name | Active Shallow Mount Down Fire Sealed Enclosure |
| Model Number | AS120A |
| Mounting Type | Flush Mount |
| Number Of Circuits | 1 |
| Number of Audio Channels | 1.0 |
| Number of Items | 1 |
| Number of Power Levels | 13 |
| Power Source | Corded Electric |
| Signal-to-Noise Ratio | 90 dB |
| Speaker Maximum Output Power | 1500 Watts |
| Speaker Size | 12 Inches |
| Speaker Type | Subwoofer |
| Specific Uses For Product | car audio upgrades, improving audio quality in cars and trucks, tight-space vehicle installations |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 12 Inches |
| UPC | 810109980147 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 year manufacturer |
| Warranty Type | 1 Year Manufacturer |
| Water Resistance Level | Not Water Resistant |
| Woofer Diameter | 12 Inches |

## Product Details

- **Audio Output Mode:** Mono
- **Brand:** Alphasonik
- **Connectivity Technology:** Active
- **Frequency Response:** 50.2 Hz
- **Speaker Maximum Output Power:** 1500 Watts

## Images

![Alphasonik AS120A 12" 1500 Watts with a Built-in Amplifier Down-Firing Shallow Mount Enclosed for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure - Image 1](https://m.media-amazon.com/images/I/610Fs9rjSCL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Amp built into subwoofer enclosure
*by J***S on March 27, 2026*

Need 5 gauge wiring kit. Take time running wires and have a continuity test light handy for finding a good ground and to troubleshoot if amp for some reason don't have power. Has good sound. Good bass. Overall if your not looking for super loud bass that's not gonna make your ears ring. This is a good subwoofer. Have it paired with Orion 6.75" speakers. I'm happy with the subwoofer amp enclosure

### ⭐⭐⭐⭐ Supplied directions?????
*by T***S on April 30, 2026*

Only resaon not a 5 star is the directions supplied were lacking. I had to call the company twice to get it to work. Sounds great , plenty of Bass. Great product they just need to fix their directions a bit.

### ⭐⭐⭐⭐⭐ Bass
*by I***S on June 27, 2026*

It has good bass for small cars.

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-07-07*