# OSD Audio Nero ARC Amplifier + Monitor Audio C165 6.5" Ceiling Speakers

This ceiling speaker system pairs the OSD Audio Nero Stream ARC amplifier with the Monitor Audio C165 6.5″ ceiling speakers to deliver clean, controlled sound for TV audio and music throughout your room.

Designed for discreet installation, it’s an ideal solution for living rooms, kitchens and open-plan spaces where you want high-quality audio without visible speakers.

The Nero ARC amplifier connects directly to your TV via HDMI ARC for simplified control, while also offering Bluetooth streaming for everyday music listening.

Matched with Monitor Audio’s C165 speakers, you get clear vocals, balanced midrange and surprisingly full bass from a compact, in-ceiling design that blends seamlessly into modern interiors.

-   **HDMI ARC TV Connection:** Control volume with your TV remote for a simple, family-friendly setup
-   **Powerful 100W Amplifier:** Drives ceiling speakers with ease for clear, room-filling sound
-   **Bluetooth Streaming:** Instantly play music from phones, tablets and laptops
-   **Monitor Audio C165 Speakers:** Proven 6.5″ design delivers detailed, natural sound
-   **Discreet Ceiling Installation:** Clean, clutter-free look with paintable magnetic grilles
-   **Ideal for Multi-Purpose Rooms:** Perfect for TV audio, background music or everyday listening

###### What You Get

**AMPLIFIER**

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

**SPEAKERS**

-   2 x C165 Speakers
-   2 x Grilles
-   1 x Cut Out Template
-   20m x 2 Core Speaker Cable

###### Specifications

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

SPEAKERS

-   **Frequency Response:** 60 Hz – 25 kHz
-   **Nominal Impedance:** 6 ohms
-   **Sensitivity (1W@1M):** 88.5 dB
-   **Maximum SPL:** 107.4 dBA
-   **Power Handling (RMS):** 65 W
-   **Recommended Amplifier Requirements:** 20 – 65 W
-   **Drive Unit Complement:** 6½"MMP II cone bass driver, 1"C-CAM pivoting Gold Dome tweeter
-   **Adjustment Controls:** HF Level Switch (+3 dB / 0 dB / -3 dB)
-   **Overall Diameter (Including Grille):** 250 mm (9¹³/₁₆")
-   **Overall Depth (Including Grille):** 120 mm (4¾")
-   **Mounting Depth:** 116 mm (4⁹/₁₆")
-   **Cut-Out Hole Diameter:** 211 mm (8¼")
-   **Fixing Type:** 3-position Tri-Grip dog fixings
-   **Construction Material:** Mineral-filled ABS, RoHS compliant
-   **Weight:** 1.92 kg
-   **Pre-Construction Bracket:** CM-B
-   **Back Box:** CSM-BOX
-   **Sold As:** Single unit

## Details

- **Price:** 449.0 GBP
- **Vendor:** OSD Audio / Monitor Audio
- **Type:** In Ceiling Speaker Systems
- **Tags:** Prime

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 449.00 GBP | In stock |

## Images

- OSD Audio Nero ARC Amplifier + Monitor Audio C165 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero ARC Amplifier + Monitor Audio C165 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero ARC Amplifier + Monitor Audio C165 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero ARC Amplifier + Monitor Audio C165 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero ARC Amplifier + Monitor Audio C165 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero ARC Amplifier + Monitor Audio C165 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero ARC Amplifier + Monitor Audio C165 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero ARC Amplifier + Monitor Audio C165 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero ARC Amplifier + Monitor Audio C165 6.5" Ceiling Speakers - K&B Audio
- OSD Audio Nero ARC Amplifier + Monitor Audio C165 6.5" Ceiling Speakers - K&B Audio

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> Source: [K&B Audio](https://www.kbaudio.co.uk/products/osd-audio-nero-arc-amplifier-monitor-audio-c165-6-5-ceiling-speakers)
> Updated: 2026-05-25