# OSD Audio ACE640 6.5" Ceiling Speakers (Pair)

Introducing the ACE640 Ceiling Speaker, a trimless version of our highly acclaimed ICE640 model.

Combining superior sound quality with an affordable price, the ACE640 delivers smooth, silk-toned music with rich 6.5" bass, making it an exceptional choice for audiophiles and home audio enthusiasts alike.

**FEATURES**

-   **High Definition Audio**: Equipped with 6.5" fibre glass cone woofers and 1" pivoting titanium dome tweeters, the ACE640 ensures crystal-clear sound and deep bass.
-   **Wide Frequency Response**: With a frequency range of 40Hz to 20kHz, enjoy every detail of your music from the lowest bass to the highest treble.
-   **Power Handling**: Capable of handling up to 150W, these speakers are designed for robust performance and longevity.
-   **High Sensitivity**: At 89 dB, the ACE640 efficiently converts power to clear and powerful sound.
-   **8 Ohms Impedance**: Suitable for a variety of amplifiers and home audio systems.
-   **Aesthetic Design**: The trimless, spray-paintable grille allows for seamless integration with any ceiling, maintaining a clean and modern look.
-   **Premium Connectivity**: Gold-plated 5-way binding posts ensure secure and high-quality connections.
-   **Easy Installation**: Features install-friendly dog ear brackets for a hassle-free setup.
-   **Dimensions**: Measuring 8.86" in diameter and 3.54" in depth, with a cutout diameter of 7.80", these speakers are designed to fit discreetly into your ceiling.
-   **Sold as a Pair**: Comes as a pair, perfect for stereo setups or multi-room audio systems.
-   **10-Year Warranty**: Enjoy peace of mind with a 10-year warranty, ensuring long-lasting quality and performance.

Upgrade your audio experience with the ACE640 Ceiling Speaker and enjoy exceptional sound quality in a sleek, unobtrusive design.

###### Specifications

-   **Speaker Type:** 6.5"High Definition Trimless Ceiling Speakers
-   **Woofer:** 6.5"Fiber Glass Cone
-   **Tweeter:** 1"Pivoting Titanium Dome
-   **Frequency Response:** 40Hz - 20kHz
-   **Power Handling:** 150W
-   **Sensitivity:** 89 dB
-   **Impedance:** 8 Ohms
-   Spray Paintable Grille Included
-   **Inputs:** Gold-plated 5-way Binding Posts
-   Install-friendly Dog Ear Installation Brackets
-   **Diameter&Depth:** 8.86"x 3.54"
-   **Cutout Diameter:** 7.80"
-   **Sold As:** Pair
-   **Warranty:** 10 Years

## Details

- **Price:** 149.0 GBP
- **Vendor:** OSD Audio
- **Type:** In Ceiling Speakers
- **Tags:** B&Q, BF10, BLACK10, BLACK5, Prime, SALE10

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 149.00 GBP | In stock |

## Images

- OSD Audio ACE640 6.5" Ceiling Speakers (Pair) - K&B Audio
- OSD Audio Nero Stream ARC Amplifier + ACE640 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero Stream ARC Amplifier + ACE640 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero Stream ARC Amplifier + ACE640 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero Stream ARC Amplifier + ACE640 6.5" Ceiling Speakers - K&B Audio
- WiiM AMP Wi-Fi & Bluetooth Amplifier + OSD Audio ACE840 8" Ceiling Speakers - K&B Audio

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> Source: [K&B Audio](https://www.kbaudio.co.uk/products/osd-audio-ace640-6-5-ceiling-speakers-pair)
> Updated: 2026-06-02