Technical Highlights

  • 150 watts RMS at 4 ohms, 550 watts peak power.
  • Adjustable low-pass filter: 50-400 Hz at 24 dB/oct.
  • Variable bass EQ, RCA & high-level input, 12 dB linear range.
  • More technical details
Regular price €314.28
Regular price -27% €429.00 selling price €314.28
2% discount with credit card

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ProductSWD-355

including VAT
Estimated delivery: Sep 17–Sep 22.
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Every product purchased from Masori includes an additional year of warranty in the third year after purchase (months 25–36). We cover repair or replacement free of charge for covered warranty claims. Automatic and free – exclusively for Masori customers. Your statutory rights remain unaffected.

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Regular price €314.28
Regular price €429.00 selling price €314.28
The SWD-355 from Alpine is a 12" active enclosure subwoofer that impresses with its modern design and powerful components. The white-illuminated Alpine logo on the front and the closable bass reflex port offer versatile application options. The subwoofer features a V-POWER DIGITAL (Class-D) amplifier with a maximum power of 550 Watts and an RMS power of 150 Watts. An adjustable low-pass filter and a variable Bass EQ allow you to customize the sound. All connections are plug-in, which makes installation and maintenance easier. A remote bass level controller with a 5 m connection cable is also included to give you flexible control.

Features

  • White-illuminated Alpine logo on the front (pulsing)
  • Closable bass reflex port for sealed or vented application
  • All connections are plug-in and can be disconnected without tools
  • Dimensions: 450 mm (W) x 392 mm (H) x 315 mm / 422 mm (D)

Technical specifications

  • V-POWER DIGITAL (Class-D) amplifier
  • 550 Watts maximum power
  • 150 Watts RMS at 4 Ohm @14.4 V 1% THD
  • Adjustable low-pass filter: 50 - 400 Hz @24 dB/oct.
  • Variable Bass EQ (fc = 50 Hz), 0 to +12 dB
  • RCA & high-level input

Remote bass level controller

  • 12 dB linear adjustment range
  • 5 m connection cable
  • Easy Plug&Play installation

What's included

  • SWE-1244E - 30 cm (12-inch) subwoofer ( 4 Ohm)
  • MRV-M250 digital V-POWER mono amplifier
  • High-quality bass reflex enclosure
  • Remote bass level control

Frequently Asked Questions about SWD-355


What are the maximum power specifications of the Alpine SWD-355 active enclosure subwoofer?

The Alpine SWD-355 is equipped with a V-POWER DIGITAL Class-D Amplifier that provides a maximum power of 550 watts. In continuous operation, the subwoofer delivers 150 watts RMS at 4 Ohm and 14.4 V at 1% THD (Total Harmonic Distortion). These power parameters ensure impressive bass performance and clear reproduction, even at high volumes. The robust amplifier unit ensures that the subwoofer operates reliably even in demanding installations, allowing you to achieve optimal audio performance in your vehicle.

How does the adjustable bass reflex port work on the Alpine SWD-355?

The Alpine SWD-355 features an adjustable bass reflex port that allows for flexible adjustment between a sealed and a vented enclosure configuration. In the sealed setting, closing the port prevents unwanted air movement, resulting in more precise and controlled bass reproduction. In the vented application, the port can be opened to give the subwoofer a deeper and more resonant bass character. This adaptability allows you to tailor the sound of the subwoofer to your personal preferences and the specific acoustic characteristics of your vehicle.

What connection options does the Alpine SWD-355 subwoofer offer for integration into the audio system?

The Alpine SWD-355 allows for versatile integration into existing audio systems through its RCA and high-level inputs. These connections enable easy linking with the main amplifier or car radio, ensuring seamless signal transmission and processing. Additionally, all connections are plug-in and tool-free detachable, significantly simplifying installation and any potential maintenance. The plug-and-play installation allows you to quickly and easily install the subwoofer in your vehicle without requiring extensive technical knowledge.

What are the dimensions of the Alpine SWD-355 and how do they affect installation in the vehicle?

The Alpine SWD-355 Subwoofer measures 450 mm in width, 392 mm in height, and 315 mm or 422 mm in depth. These compact dimensions make it suitable for a variety of vehicles without taking up much space in the trunk or interior. When planning the installation, it is important to consider the dimensions to ensure optimal placement and to ensure that the Subwoofer can be mounted securely and stably. Especially when you have limited space available, the modular dimensions of the SWD-355 offer flexibility for different installation types and positions.

How does the V-POWER DIGITAL Amplifier utilize Class-D technology in the Alpine SWD-355?

The V-POWER DIGITAL Amplifier of the Alpine SWD-355 is based on Class-D technology, known for its high efficiency and low heat generation. This technology allows the Subwoofer to deliver a maximum power of 550 watts while minimizing power consumption. The modular design of Class-D amplification enables the SWD-355 to provide powerful, clear bass reproduction without drawing excessive power from the vehicle's battery. This is particularly advantageous for vehicles with limited space for amplifiers, as the small size and efficiency of Class-D technology support a flexible and powerful installation.

How do I set the low-pass filter on the Alpine SWD-355 for optimal bass reproduction?

The Alpine SWD-355 Subwoofer is equipped with an adjustable low-pass filter that offers a frequency range of 50 to 400 Hz at 24 dB/octave. To optimally set the low-pass filter, you should first analyze the characteristics of your vehicle and the other speakers in your audio system. A lower cutoff frequency of the low-pass filter can help the Subwoofer reproduce lower frequencies more accurately, while a higher cutoff frequency improves integration with the existing speakers. By experimenting with different settings, you can adjust the filter so that the bass is seamlessly integrated and sounds cohesive without overlapping with the other speakers.

What is included in the package of the Alpine SWD-355 Subwoofer?

The package of the Alpine SWD-355 includes the 30 cm (12-inch) Subwoofer SWE-1244E with an impedance of 4 Ohm, the MRV-M250 digital V-POWER mono Amplifier, a high-quality bass reflex box, and the remote bass level control. Together with these components, the package allows for a complete and powerful installation that guarantees impressive bass performance. The bass reflex box is specifically tuned to the acoustics of the Subwoofer to achieve optimal sound quality, while the remote control allows for easy adjustment of the bass level while driving.

How does the variable bass EQ of the Alpine SWD-355 affect sound quality?

The Alpine SWD-355 is equipped with a variable bass EQ that allows for frequency response adjustment at fc = 50 Hz from 0 to +12 dB. This feature enables you to precisely tailor the bass intensity to your preferences and the acoustic characteristics of your vehicle. By increasing the bass EQ, you can achieve deeper and more powerful bass reproduction, which is particularly beneficial if you enjoy music with heavily emphasized bass. At the same time, the flexibility of the EQ adjustment range ensures that the sound remains clear and uncolored, without the bass overpowering or disturbing the sound balance.

How does the remote bass level control of the Alpine SWD-355 work and what settings are possible?

The remote bass level control of the Alpine SWD-355 offers a linear adjustment range of 12 dB and a connection cable of 5 meters in length. This remote allows you to conveniently and precisely adjust the bass level from your driver's seat without having to make changes directly at the subwoofer or amplifier. The linear adjustment range allows you to vary the bass between a subtle level and a more intense bass reproduction, depending on your current listening preference or driving conditions. Thanks to the long connection cable, you have the freedom to place the remote in a location that is easily accessible to you, significantly simplifying the operation and adjustment of the bass.

How is the compatibility of the Alpine SWD-355 defined with common vehicle dimensions?

The Alpine SWD-355 Subwoofer has dimensions of 450 mm in width, 392 mm in height, and 315 mm or 422 mm in depth, ensuring high compatibility with most common vehicle dimensions. This size allows for flexible installation in a variety of vehicle types, including sedans, SUVs, and vans. When planning the installation position, it is important to consider the specific space conditions of your vehicle to securely and stably mount the subwoofer without excessively occupying the interior or being otherwise obstructive. The versatile dimensions of the SWD-355 give you the opportunity to place the subwoofer in the optimal position for the best possible sound reproduction.

Manufacturer information/responsible person

ALPS ALPINE EUROPE GmbH

Ohmstrasse 4

85716, Unterschleissheim

support.eu@alpsalpine.com

https://www.alpsalpine.com/

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