Proficient PAS-HRSIW8-CAB Signature Dual In-Wall Passive Subwoofer - Dreamedia AV
Proficient PAS-HRSIW8-CAB Signature Dual In-Wall Passive Subwoofer - Dreamedia AV

Proficient PAS-HRSIW8-CAB Signature Dual In-Wall Passive Subwoofer

Dual In-Wall Subwoofer with StillBass Technology

Proficient Audio Authorized Dealer

Contact Us

Contact us if you are interested in buying this product.

Need Help?

We're here to help. Call or chat with a Dreamedia specialist.

Free Shipping

Free nationwide shipping available!*

Free Returns

30 day guarantee.
Proficient PAS-HRSIW8-CAB Signature Dual In-Wall Passive Subwoofer

Experience the Power of Profound Bass

Imagine a home theater that doesn't just show you the story but immerses you in it. Every explosion, the rumble of engines, the subtlety of a bass guitar in a solo, felt as much as it is heard. The Proficient PAS-HRSIW8-CAB Signature Dual In-Wall Passive Subwoofer is not just another component in your home theater system; it's the heartbeat of your cinematic and musical experience.

The Essence of High-Fidelity Audio

This in-wall passive subwoofer is engineered to blend seamlessly into your space while providing the ultimate audio experience. The dual woofers, with their robust fiberglass cones, are the core of a system designed to deliver accurate and deep bass. With a frequency response spanning from 33 Hz to 150 Hz, you'll feel the full spectrum of low-end frequencies, ensuring that no note goes unnoticed.

Unparalleled Design and Technology

Sealed Cabinet, High-Pressure Design:
The Proficient PAS-HRSIW8-CAB's sealed cabinet is meticulously crafted to contain the immense power of its dual woofers. The high-pressure design ensures that the bass is not only deep but also tight and precise, enhancing the realism of every scene or song.

StillBass™ Technology:
The StillBass™ technology is a game-changer. It eliminates mechanical vibration, which means the bass you hear is purer, with no distortion or unwanted resonance. Enjoy crisp, clean bass that doesn't rattle the room but instead complements the audio landscape.

Frequency Filtration Design (FFD):
The proprietary FFD technology filters the audio to deliver the smoothest bass possible. This means that what you hear is the bass as it was intended to be heard—pure, unadulterated, and true to the original recording.

Dedicated Amplification:
To ensure optimal performance, the PAS-HRSIW8-CAB is designed to pair exclusively with the HRSIW8 amplifier. This synergy between subwoofer and amplifier guarantees that you get the best sound quality and power handling, tailored precisely to the subwoofer's capabilities.

Key Features at a Glance

  • Dual Custom-Designed Fiberglass Cone Woofers: For powerful, long-throw bass performance.
  • High Power Handling (150-600 Watts): Ready to handle the dynamics of any audio thrown its way.
  • Adjustable Crossover Frequency: Customize the sound profile to match your listening preferences.
  • Pre-Programmed Remote Control: Easy control over your subwoofer settings for the perfect audio experience.
  • Ultra-Thin Cabinet Design: Maximizes your living space without compromising on sound quality.
  • Hefty Relays for Power Control: Ensures reliable and efficient power management for the subwoofer.

Customization and Control

The pre-programmed remote control puts the power of customization in your hands. With it, you can adjust the crossover frequency to tailor the bass to your specific listening needs. Whether it's a night of movies, an intense gaming session, or a relaxing evening with your favorite album, you can create the perfect sound profile.

Seamless Integration into Your Home

With its sleek white finish and in-wall design, the PAS-HRSIW8-CAB is as much a part of your home as the walls themselves. The dimensions are crafted to ensure an easy fit, with cutout requirements that make installation a breeze. The compact size of this subwoofer belies its power, allowing you to save space without sacrificing sound quality.

Technical Specifications

- Cabinet: 12.2" x 24.7" x 3.75" (WxHxD) - Cutout: 10.6" x 23.5" (WxH)

Audio Performance:
- Frequency Response: 33Hz-150Hz - Maximum Output: 106dB - Stereo RMS Power: 520 watts

The Dreamedia Difference

At Dreamedia, we understand the importance of a personalized home theater experience. That's why we're not just here to offer you the Proficient PAS-HRSIW8-CAB; we're here to design a system that resonates with your lifestyle. Our experts are ready to help you integrate this subwoofer into a home theater setup that will become the envy of your neighborhood.

Ready for Worldwide Enjoyment

No matter where you are, the Proficient PAS-HRSIW8-CAB can be shipped to you. We ensure that the power and clarity of this exceptional subwoofer can be enjoyed globally. It's time to elevate your home entertainment to a level that transcends borders.

A Commitment to Quality

The Proficient brand stands for quality and innovation. With the PAS-HRSIW8-CAB, you're not just purchasing a subwoofer; you're investing in a legacy of audio excellence. This is a product built to last, to deliver consistent, high-quality performance day in and day out.

Your Satisfaction, Our Priority

At Dreamedia, your satisfaction is our top priority. With the Proficient PAS-HRSIW8-CAB, you're getting more than a subwoofer; you're gaining an experience that will transform your understanding of what bass can be. And with our dedicated customer service team, you can be confident that support is always just a call or click away.

Embrace the Proficient Experience

The Proficient PAS-HRSIW8-CAB Signature Dual In-Wall Passive Subwoofer is not just a piece of technology. It's the foundation of a home theater system that engages, excites, and enthralls. With its superior design, cutting-edge technology, and unparalleled performance, it's ready to redefine your audio experience.

Turn up the volume, feel the difference, and let the Proficient PAS-HRSIW8-CAB take you on an auditory journey like no other. Welcome to the next level of home theater—brought to you by Dreamedia, where we make your dream media experience a reality.

Our Review

Proficient PAS-HRSIW8-CAB Signature Dual 8" 520 Watt In-Wall Passive Subwoofer Review


Subwoofers are a pivotal component in any home theater setup, responsible for anchoring the low-end frequencies that give movies and music a full-bodied presence. The Proficient PAS-HRSIW8-CAB steps into the arena as a substantial offering for those looking to integrate deep bass into their home theater without compromising on living space aesthetics.


Aesthetics and Build Quality

The Proficient PAS-HRSIW8-CAB boasts an in-wall design, aiming to blend seamlessly within a room's aesthetic. The sleek, sealed cabinet is unobtrusive, and the ultra-thin profile ensures that the subwoofer does not protrude unnecessarily, maintaining a clean look. The build quality, as indicated by the hefty weight and robust cabinet dimensions, suggests a product built to endure.

Installation Considerations

The subwoofer requires a cutout of 10.6" x 23.5", which may necessitate professional installation, especially considering the precision needed for in-wall fitting. Users need to be aware of the structural and wiring implications before committing to this model.

Space Efficiency

The sealed cabinet design not only contributes to accurate bass reproduction but also to the efficient use of space. This is particularly beneficial for users with limited floor space who cannot accommodate traditional floor-standing subwoofers.


Proprietary Technologies

Proficient's StillBass technology aims to counteract mechanical vibrations, ensuring that the bass remains clean and undistorted. The Frequency Filtration Design (FFD) is another proprietary feature, which claims to optimize performance for a more dynamic bass experience.

Connectivity and Control

Connectivity is straightforward with wired inputs, ensuring a stable connection. The inclusion of a pre-programmed remote control is a thoughtful addition, allowing users to adjust settings without the need to access the subwoofer directly.

Compatibility and Integration

A notable requirement is the exclusive use of the dedicated HRSIW8 amplifier, which could be a drawback for those who prefer using existing amplifiers. This limitation affects flexibility and could add to the overall cost.


Audio Quality

With dual 8" fiberglass cone woofers, the subwoofer promises accurate bass reproduction across a frequency response range of 33Hz-150Hz. However, the lack of a parametric EQ might be a sticking point for audiophiles looking to fine-tune the bass response to suit their room's acoustics.

Power Handling and Output

The power handling range of 150-600 Watts is impressive, catering to both moderate and high-intensity listening sessions. The maximum output of 106dB indicates that this subwoofer can deliver significant volume without distortion.

Sound Customization

The programmable crossover offers some degree of customization, yet the absence of a more granular EQ might leave users wanting more control over their sound profile.

Installation and Setup

In-Wall Placement

The in-wall design is both a blessing and a potential curse. While it saves space and can look fantastic, it also means that once installed, making adjustments to the subwoofer's position or settings can be cumbersome.

Professional Installation

Given the complexities of in-wall installation, most users will benefit from professional help, both for the physical installation and for optimizing the sound within the room.

Pros and Cons

The Proficient PAS-HRSIW8-CAB excels in delivering deep, room-filling bass while maintaining a low profile in the living space. The StillBass and FFD technologies are standout features that promise to enhance the listening experience. However, the mandatory pairing with a specific amplifier, potential installation challenges, and the lack of in-depth sound customization may deter some users.

Comparisons with Competitors

When compared to other in-wall subwoofers in the market, the Proficient PAS-HRSIW8-CAB holds its ground with its robust power handling and proprietary technologies. However, some competitors offer more flexibility in terms of amplifier compatibility and sound customization.

User Experience

Handling and Maintenance

The in-wall design means that once installed, the subwoofer should require minimal handling. Maintenance is likely to be low, given the sealed nature of the cabinet, which protects the internal components from dust and other common issues.

Consumer Feedback

The feedback loop for this product is primarily between the user and the installer, emphasizing the importance of a high-quality installation to ensure optimal performance.

Price and Value

The subwoofer, while requiring an additional investment for the dedicated amplifier, offers a good value proposition for those prioritizing space-saving design and powerful bass performance. It's a specialized product that offers a balance between aesthetics and audio performance.

Final Thoughts

The Proficient PAS-HRSIW8-CAB is a compelling choice for home theater enthusiasts who want to integrate deep bass into their systems without compromising on space or design. While it has its limitations in terms of flexibility and sound customization, its performance and space efficiency make it a worthy consideration for the right buyer.


General Specifications

  • Brand: Proficient
  • Model: PAS-HRSIW8-CAB
  • Type: In-Wall Passive Subwoofer
  • Color: White
  • Connectivity: Wired
  • Enclosure Type: In-wall

Audio Specifications

  • Woofer Size: Dual 8 inches
  • Drive Units: Dual 8" Woofers with fiberglass cones
  • Stereo RMS Power (watts): 520
  • Frequency Response: 33 Hz – 150 Hz (-3 dB)
  • Crossover Frequency: Adjustable from 40 Hz – 160 Hz, with an LFE bypass position
  • Maximum Output: Greater than 106 dB peak SPL

Physical Specifications

  • Dimensions (H x W x D): 24 5/8" x 12 1/16" x 3 3/4" (625 mm x 306 mm x 95 mm)
  • Cutout Dimensions (H x W): 23 5/16" x 10 13/16" (593 x 274 mm)
  • Weight: 32 lbs (14.51 kg)


  • Design: Sealed Cabinet, High Pressure Design
  • Anti-Shake Technology: StillBass
  • Frequency Filtration: Frequency Filtration Design (FFD)
  • Remote Control: Pre-Programmed Remote Control
  • Compatibility: Compatible with the dedicated HRSIW8 amplifier only

Trusted by over
5,500+ customers

Product Comparisons

Vendor: Vendor
Example product title
Vendor: Vendor
Example product title
Vendor: Vendor
Example product title

Related Videos & Articles

Educational and Inspirational Posts From Our Team at Dreamedia

The Power of MicroLED: Bringing the Outdoors to Life

The Power of MicroLED: Bringing the Outdoors to Life

Exploring the Future of Home Displays with MicroLED Technology

Exploring the Future of Home Displays with MicroLED Technology

Exploring the Art of Vinyl with Michell Turntables

Exploring the Art of Vinyl with Michell Turntables

Transforming Spaces: The Ultimate Kids' Bunk Room!

Transforming Spaces: The Ultimate Kids' Bunk Room!

Exploring Video Walls with Just Video Walls

Exploring Video Walls with Just Video Walls

Next-Level Sound: Focal Utopias & Naim Classics at Florida Audio Expo 2024

Next-Level Sound: Focal Utopias & Naim Classics at Florida Audio Expo 2024

Elevating Your Audio Experience with IsoAcoustics

Elevating Your Audio Experience with IsoAcoustics

Revolutionize Your Living Spaces: The Dreamedia Home Makeover

Revolutionize Your Living Spaces: The Dreamedia Home Makeover

Discover the Ultimate Home Cinema Experience in Colorado

Discover the Ultimate Home Cinema Experience in Colorado