# OSD Audio Nero Stream ARC Amplifier + R63 6.5" Ceiling Speakers

Enjoy premium stereo audio in compact spaces with the OSD Audio Nero Stream ARC Amplifier and R63 6.5" Reference Ceiling Speaker bundle.

Ideal for kitchens, bathrooms, or utility rooms, this setup offers refined sound in a single-speaker configuration, combining minimalist design with audiophile-grade components for a sleek, high-performance result.

The Nero Stream ARC amplifier delivers 100W of Class D power and includes essential inputs such as Bluetooth, HDMI ARC, optical, and RCA.

Paired with the R63 ceiling speaker, featuring a Kevlar woofer and aluminium dome tweeter, this system delivers clear, full-range stereo sound from a discreet in-ceiling design.

**FEATURES**

-   **Bluetooth Streaming:** Easily stream music from your phone, tablet, or laptop without the need for extra cables.
-   **RCA Audio Input:** Connect external sources such as CD players, turntables (with preamp), or other hi-fi gear with ease.
-   **Optical Audio Input:** Enjoy crystal-clear digital sound from your TV, gaming console, or media player.
-   **HDMI ARC Input For TV:** Connect directly to your television via HDMI ARC for simple control and synchronised audio.
-   **Powerful 100W Amplifier:** Delivers efficient Class D power, providing strong performance in a compact housing.
-   **6.5" Kevlar Ceiling Speaker:** Delivers dynamic and accurate mono sound – perfect for single-speaker zones.
-   **Aluminium Dome Tweeter:** Produces crisp, clear high frequencies with wide dispersion.
-   **Premium Components:** Features a Kevlar woofer and high-quality crossover for exceptional sound clarity and balance.
-   **Frameless Magnetic Grille:** Paintable, low-profile grille for a seamless, modern ceiling finish.
-   **Quick & Secure Installation:** Dog-leg clamps make ceiling installation fast and reliable.

This compact, high-quality bundle is ideal for achieving professional-grade audio in rooms where space or aesthetics demand a single, discreet speaker.

###### What You Get

**SPEAKERS**

-   2 x Speakers
-   2 x Grilles
-   1 x Cut Out Template
-   1 x User Manual

**AMPLIFIER**

-   1 x Amplifier
-   1 x Power Lead
-   1 x External Antenna
-   1 x Wall Mount Brackets
-   1 x Remote Control

###### Specifications

SPEAKERS

-   **Speaker Type:** 6.5"In-Ceiling Speaker
-   **Woofer:** 6.5"Carbon Fiber w/TPR Thermal Surround
-   **Tweeter:** 1"Ceramic Coated Aluminum Pivoting Dome Tweeter w/12dB Crossover and Contour Switch
-   **Frequency Response:** 38Hz - 20kHz
-   **Power:** 150W
-   **Sensitivity:** 89dB
-   **Impedance:** 8 Ohm
-   **Diameter&Depth:** 8.76"x 3.62"
-   **Cutout Diameter:** 7.8"
-   **Selling Unit:** Pair
-   **Optional Square-Grille Kit:** Sold Separately
-   **Warranty:** Limited Lifetime

AMPLIFIER

-   **Amplifier Type:** 2-Channel
-   **Design Type:** Class D
-   **Power Output:** 50W x 2 RMS, 100W x 2 Peak 8ohms / 100W x 2 RMS, 200W x 2 Peak 4ohms
-   **Frequency Response:** 20Hz - 20kHz
-   **Impedance:** 8Ohm to 4Ohm Stable
-   **Signal to Noise Ratio:** >95dB A-Weighted
-   **Sources/Inputs:** ARC, Wireless BT, Optical, USB-C DAC, Line Input, Coax Input
-   **Outputs:** L/R Speaker, Subwoofer Out
-   **Maximum Sample Rate:** 44.1kHz, 48kHz, 96kHz, 192kHz
-   **Bit Resolution:** 16-24 bits; Supports 24Bit/192kHz
-   **Front Panel Controls:** Power Button, Front Volume/Source Select Knob
-   **Remote Control:** Included
-   **Wall Mountable:** Yes
-   **AC Power:** 110/240VAC
-   **Dimensions:** 50mm x 190mm x 140mm
-   **Weight:** 1.1kg
-   **Warranty:** 2 Year

## Details

- **Price:** 579.0 GBP - 899.0 GBP
- **Vendor:** OSD Audio
- **Type:** In Ceiling Speaker Systems
- **Tags:** BLACK5, Medium Rooms, Prime, SALE10

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| One Pair | 579.00 GBP | In stock |
| Two Pairs | 899.00 GBP | In stock |

## Images

- OSD Audio Nero Stream ARC Amplifier + R63 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero Stream ARC Amplifier + R63 6.5" Ceiling Speakers - K&B Audio
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- OSD Audio Nero Stream ARC + QI80CE 8" Ceiling Speaker System with Bluetooth & HDMI - K&B Audio
- OSD Audio Nero Stream ARC + QI80CE 8" Ceiling Speaker System with Bluetooth & HDMI - K&B Audio
- OSD Audio Nero Stream ARC + QI80CE 8" Ceiling Speaker System with Bluetooth & HDMI - K&B Audio
- OSD Audio Nero Stream ARC + QI80CE 8" Ceiling Speaker System with Bluetooth & HDMI - K&B Audio
- OSD Audio Nero Stream ARC Amplifier + R63 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero Stream ARC Amplifier + R63 6.5" Ceiling Speakers - K&B Audio

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> Source: [K&B Audio](https://www.kbaudio.co.uk/products/osd-audio-nero-stream-arc-amplifier-r63-6-5-ceiling-speakers)
> Updated: 2026-07-09