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Description

In-Wall Subwoofer Engineered for Deep Bass Extension and Powerful Low-Frequency Performance in Custom Home Theatre and Distributed Audio Installations with Discreet Flush-Mount Design

The Q Acoustics QI SUB 80SP is a premium in-wall subwoofer from Q Acoustics' dedicated installation range — designed to deliver deep, impactful bass extension in custom home theatre and distributed audio installations without the visual intrusion of a conventional freestanding subwoofer. With a flush-mount design, robust driver configuration, and a low-profile paintable grille, the QI SUB 80SP integrates seamlessly into any wall to provide the low-frequency weight and impact that transforms a home cinema experience — all while maintaining a completely clean, minimalist room aesthetic.

Q Acoustics QI SUB 80SP In-Wall Subwoofer – Flush Mount Deep Bass for Custom Home Theatre Installations

Key Features

  • In-Wall Flush-Mount Design — Completely invisible installation that eliminates the visual footprint of a conventional freestanding subwoofer
  • Deep Bass Extension — Robust driver configuration for deep, impactful low-frequency performance in home theatre and distributed audio systems
  • Paintable Grille — Low-profile paintable grille for a seamless, invisible finish that blends with any wall decor
  • Custom Install Ready — Designed for professional custom installation in home theatre, multi-room audio, and AV integration projects
  • Pairs with External Amplifier — Passive design for connection to a dedicated subwoofer amplifier or AV receiver subwoofer output
Q Acoustics QI SUB 80SP In-Wall Subwoofer – Flush Mount Deep Bass for Custom Home Theatre Installations

Specifications

Specification Details
Model Q Acoustics QI SUB 80SP
Type In-Wall Subwoofer
Design Flush-mount, passive
Grille Paintable white
Application Home Theatre, Custom Install
Brand Q Acoustics

What's in the Box

  • 1 × Q Acoustics QI SUB 80SP In-Wall Subwoofer
  • Mounting hardware
  • User manual
Ideal for custom home theatre installations where a freestanding subwoofer is not practical — pair with a dedicated subwoofer amplifier or AV receiver for deep, room-filling bass. Available at Harmony AV — Authorized Q Acoustics Dealer in India.
AI-generated AV advisor wearing Harmony AV branding and holding a room-planning tablet

HARMONY AV EXPERT GUIDANCE

Expert guidance for a better AV setup

Choosing one product or planning a complete system? Discuss your room, existing equipment and priorities with Harmony AV to explore suitable options.

Discuss your needs. Plan your room. Explore suitable equipment.

  • Product selection
  • Home theatre planning
  • Commercial AV setup
  • Product compatibility
  • Setup guidance
Chat with an AV Expert
Installation enquiries welcome

Contact us to discuss availability, service options and pricing for your location.

Frequently Asked Questions

Everything you need to know before you buy

01 — Authenticity

Is this product brand new and genuine?

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Yes, absolutely. All products at Harmony AV are 100% genuine, brand new and factory sealed — sourced through authorized channels only. We never sell refurbished, used or parallel imported items.

02 — Warranty

Do I get a manufacturer warranty?

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Yes. Every product comes with the official manufacturer warranty. The period and terms vary by brand — please refer to the product description or contact us for specific details.

03 — Invoice

Will I receive a GST invoice?

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Yes. A valid GST invoice is included with every order — fully compliant for business purchases and input tax credit claims.

04 — Payment

Is Cash on Delivery available?

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COD is available for eligible products and pin codes across India. The COD option will appear at checkout if available for your location.

05 — Delivery

How long does delivery take?

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Most orders are dispatched within 1–2 business days. Delivery takes 3–6 business days depending on your location. All items are carefully packed for safe transit.

06 — Support

Can I get help with installation or setup?

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Yes. Our expert AV support team is available before and after your purchase — from product selection to full installation guidance. Contact us via the details on this page.

07 — Returns

What is your return and exchange policy?

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We accept returns for unused products in original packaging reported within 7 days of delivery. Contact our support team to initiate a return or exchange.

08 — Security

Is my payment information secure?

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Yes. All payments use Shopify's secure, encrypted checkout. We do not store any card or payment details on our end.