Sonos Ace Wireless Over-Ear Headphones
Safety Instructions
- Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Only use attachments/accessories specified by the manufacturer.
- Keep the product away from fire and heat sources.
- Do not place naked flame sources, such as lighted candles, on or near the product.
- Do not make unauthorised alterations to this product.
- The FreeSpace FS4SE wall-mounting bracket is only for use with the model FS4SE.
- Clean speakers using only a dry cloth. Do not expose the loudspeaker to soap, detergent, mineral oil, alcohol, or other cleaning agents or chemicals.
- Do not mount on surfaces that are not sturdy or that have hazards concealed behind them, such as electrical wiring or plumbing.
- Unsafe mounting or overhead suspension of any heavy load can result in serious injury or death, and property damage.
Product Overview
Sonos Ace has been expertly crafted and tuned for a personal listening experience unlike any other.
- A new personal best for sound. The custom-designed drivers render each frequency with superior precision and clarity. Experience a deeper connection to your content when you stream lossless and spatial audio.
- All the sounds you want, none of the noise you don’t. World-class Active Noise Cancellation pinpoints and neutralizes external sounds for maximum immersion.
- Turn on Aware Mode to hear what’s going on around you. A battery that lasts and charges ultra-fast. Listen or talk for up to 30 hours with Active Noise Cancellation enabled. Get 3 hours of battery life with a quick 3-minute charge using the included USB-C cable
- The most precise and immersive home theater experience. Instantly swap TV audio from a compatible
- Sonos soundbar to Sonos Ace and feel transported to your own private theater. Spatial audio with Dolby Atmos envelops you in dramatically detailed sound from all
- directions, and dynamic head tracking turns listening into a uniquely interactive experience.
- Obsessively crafted for comfort. Plush memory foam ear cushions create an exceptional acoustic seal and minimize pressure. The extendable stainless steel headband and rotating ear cups adjust for a bespoke fit.
Controls, Lights, and Ports
- Content Key
- Play/Pause: Press once to pause or resume streaming content.
- Next: Double-press
- Previous: Triple press
- Volume: Slide up or down. Slide and hold to\ quickly change the volume
- TV Audio Swap: After you set up TV Audio
- Swap in the Sonos app, press and hold to swap\ audio with your soundbar.
- Noise Control/Voice Control
- Press to switch between Active Noise Cancellation and Aware Mode. Press and hold to activate the voice assistant on your device. You’ll hear a tone when it’s ready to listen.
- Status light
- Indicates battery level, charging state, Bluetooth connection, and signals product updates and errors. It turns off when you’re wearing your Sonos Ace.
- Power/Bluetooth
- Press and hold (about 3 seconds) to power on your headphones. You’ll hear a tone when they’re ready to use.
- Press and hold (about 3 seconds) to power off. You’ll hear a tone as they power off.
- USB-C port
Bluetooth Pairing
- Press and hold (about 7 seconds) to put your headphones into Bluetooth pairing mode. Hold past the “power down” tone (first tone) until you hear the “Bluetooth” tone (second tone), and the light blinks blue.
- Go to the device’s Bluetooth settings and select your headphones from the list of found devices. devices
Charging
Use a USB-C to USB-C cable (included) and a compliant USB-C power adapter (not included), and listen to Bluetooth audio while you charge.
Line-in
You can plug your headphones into an audio device in two ways:
- USB-C to 3.5 mm cable (included). Useful for in-flight entertainment and devices without wireless capabilities.
- USB-C to USB-C cable (included). Adds functionality to the line-in experience, like content control and phone calls.
Adjust the Fit
Sonos Ace underwent extensive wear testing, with thoughtful consideration for different head shapes, head sizes, hairstyles, and accessories, to ensure comfort for as long as you’re listening. The stainless steel headband smoothly extends and stays securely in place. Inside the ear cup, an innovative mechanism allows for precise adjustment to equalize pressure and create an exceptional acoustic seal.
To get the most out of your Sonos Ace, your headphones must fit comfortably:
- Before you put them on, make sure each ear cup is on the correct side. A contrasting interior color differentiates the right cup, so you instantly know how to orient Sonos Ace. You should be able to use the Content Key with your right hand.
- Try on your Sonos Ace. Your ears should be centered and comfortably surrounded by the ear cushions. Extend or shorten the arms of the headband as needed by pulling the earcup down or pushing it up.
Ear cushion Replacement
Ear cushions can be easily replaced if they wear out over time. Each cushion is securely held in place by magnets, but can be removed with a light pull. When reattaching an ear cushion, here are some things to keep in mind:
- Make sure both cushions are on the correct sides. Look for the L (left) and the R (right).
- Before replacing a cushion, wipe the surface with a clean, dry cloth to make sure it’s free of dust and debris.
- The ear cushions will automatically snap into place.
Action Result
Press and hold the Power/Bluetooth button (about 7 seconds) to put your headphones into Bluetooth pairing mode. If you’re wearing Sonos Ace, hold the button past the “power down” tone until you hear the “Bluetooth pairing” tone. Any active audio streams will stop when you enter pairing mode. If Sonos Ace is off your head, hold the button until the status light slowly blinks blue. Go to the device’s Bluetooth settings and select your Sonos Ace from the list of found devices.
If you’re wearing Sonos Ace,
- You’ll hear a tone confirming that your Sonos Ace has successfully connected to your device.
- Your device’s Bluetooth settings list will show your headphones as “Connected.”
If Sonos Ace is off your head,
- The status light on Sonos Ace will show solid blue.
- Your device’s Bluetooth settings list will show your headphones as “Connected.
| Light | Description |
| Solid white | Powered on, not connected to a Bluetooth device. |
| Solid blue | Powered on, connected to a device via Bluetooth. |
Multipoint
You can connect your Sonos Ace to 2 Bluetooth devices and automatically switch between audio streams. Make sure Bluetooth is enabled on both of your devices.
In the Sonos app:
- Go to System Settings.
- Select your Sonos Ace.
- Navigate to Bluetooth, then toggle 2 Device Connections on or off.
Head tracking for Bluetooth.
Sonos Intelligent Motion Processing with Dolby Head Tracking is available during Bluetooth playback. This industry-leading Dolby Atmos experience surrounds you in hyperrealistic sound with different elements of the music coming from points around your head.
You can enable or disable Head Tracking in the Sonos app:
- Go to System Settings.
- Select your Sonos Ace under Headphones.
- Navigate to Sound, then toggle Head Tracking on or off.
Power and charging
Use a USB-C to USB-C cable (included) and a compliant power adapter (not included). While your Sonos Ace is connected to a power adapter, you can continue listening to a Bluetooth-connected device.
Low battery
When the battery level reaches 10% power, you’ll hear a tone and the status light will flash orange.
Charging
After connecting your Sonos Ace to power:
- The status light shows solid orange when your headphones are plugged in and charging.
- The status light will show solid green when your headphones are plugged in and reach full charge
| Light | Description |
| Solid orange | Plugged in and charging normally. Below 100% charge. |
| Solid green | 100% battery. You can unplug your headphones. |
Flashing red
Charging error. Unplug your headphones from the power.
Rapid charging
When your Sonos Ace reaches 10% power or lower, you can utilize rapid charging to quickly recharge. Rapid charging gives you 3 hours of playback in just 3 minutes. Use the included USB-C to USB-C cable and a compliant USB-C power adapter (not included) to charge your headphones:
- 0% to 10% in 3 minutes.
- 10% through 100% normal charging speed (full power in up to 3 hours)
TV Audio Swap
Instantly swap TV audio from a compatible Sonos soundbar to your Sonos Ace and feel enveloped in exhilarating surround sound and spatial audio.
Set up from the Home screen.
Before you start, make sure your Sonos Ace remains powered on and within 30 ft (9.1 m) of your Sonos soundbar during TV Audio Swap.
- Go to the Sonos app.
- Target your Sonos Ace from the system view.
- Select Set Up on the Home screen to get started.
- After the TV Audio Swap is set up, select Swap to connect to the soundbar.
Set up from Settings
- Go to the Sonos app.
- Go to System Settings, then select your Sonos Ace.
- Select + Add TV Audio Swap to get started.
Select Swap Back to end a TV Audio Swap session.
Features and Settings
During a TV Audio Swap, you can listen with Spatial Audio and dynamic Head Tracking to
for the most immersive experience possible
| Feature | Description |
| Spatial Audio | Places you in the center of the scene with sound coming from all around you. |
Head tracking
Spatial audio stays centered with your TV as you move your head, for the most lifelike sound experience. Spatial Audio must be enabled to use this feature.
Voice Control
If your Sonos Ace is connected to a Bluetooth device that has a built-in voice assistant, you can activate it using the Noise Control/Voice Assistant button, located on the right ear cup. Press and hold the Noise Control/Voice Control button to activate your device’s voice assistant. You should hear a tone when it’s ready to listen. Here are a few things you can do with your device’s voice assistant on Sonos Ace:
- Ask to play specific playlists, albums, podcasts, and more from a variety of apps.
- Start, stop, and skip songs.
- Ask for the weather forecast.
- Search the web.
- Answer and end phone calls.
Wear Detection
Sonos Ace uses sensors in the ear cups to detect if it’s on your head and ready to use. When
You take it off, Sonos Ace pauses your content so you don’t miss a second.
Wear Detection is enabled by default. You can disable it in the Sonos app:
- Go to System Settings.
- Select your Sonos Ace under Headphones.
- Select Wear Detection, then toggle Wear Detection on or off.
| Feature | Description |
| Play/Pause | Content pauses when you take your headphones off and resumes when you put them back on. |
Phone calls
Enable in System Settings. When you’re getting a call, put on your Sonos Ace to answer automatically. Note: When you take off Sonos Ace during a call, the call will continue out loud on your phone/mobile device.
Product Settings
Use the Sonos app to adjust product settings for Sonos Ace:
- Go to System Settings
- Navigate to Headphones and select your Sonos Ace
| Settings | Description |
| Name | Change the name of your Sonos Ace. This name will show up in Bluetooth pairing lists. |
| Status | Displays battery percentage and any active Bluetooth connections. |
Noise Control
Three levels of Noise Control:
- Active Noise Canceling— Significantly reduces background noise. Make sure your Sonos Ace fits snugly, and get the most out of this mode.
- Aware Mode—Sonos Ace uses its microphones to let in environmental sound so you can clearly hear your surroundings without removing your headphones
- Off—You can turn off Active Noise Canceling and Aware Mode if it’s not useful in your current environment, and save battery. Sonos Ace passively isolates you from background noise.
Settings Description
Make adjustments to EQ:
- Bass
- Treble
- Balance
- Loudness
Toggle Head Tracking on or off.
TV Audio Swap
- Spatial Audio—toggle on or off while TV Audio Swap is active.
- Head Tracking—toggle on or off while TV Audio Swap is active.
- + Add TV Audio Swap—set up a soundbar to use TV Audio Swap.
- Remove TV Audio Swap—remove a soundbar from your device’s memory.
Bluetooth
Manage paired devices and connection settings.
Hardware Controls
- Noise Control—select the modes you want to cycle through when pressing the button on your Sonos Ace.
- Wear Detection—toggle on or off. When you take it off, Sonos Ace pauses your content so you don’t miss a second.
About
- See product serial number.
- Check for software updates and see the current software version.
Specifications
| Audio | |
| Drivers | Custom-designed 40 mm dynamic driver in each cup. |
| Microphones | Eight microphones for noise control and voice targeting. |
| Spatial audio | Stream spatial audio content from supported services and devices. |
| Lossless audio | Enjoy lossless audio over Bluetooth with a supported device or via a USB-C connection. |
| Noise control | Active Noise Cancellation blocks external sounds. Aware mode blends ambient sound with your content. |
| Head tracking | Sonos Intelligent Motion Processing with Dolby Head Tracking. Enable this feature in the Sonos app. |
| TV Audio Swap | Press the Content Key to swap sound from a compatible Sonos soundbar to Sonos Ace. |
| Dolby Atmos | Requires a compatible device and compatible content. |
| Adjustable EQ | Use the Sonos app to adjust bass, treble, and loudness. |
| Details & Dimensions |
- Height: 7.52 in (191 mm)
- Dimensions Width: 6.3 in (160 mm)
- Depth: 3.35 in (85 mm)
| Weight | 11 oz (312 g) |
| Colors | Black
Soft White |
| Finish | Matte
Stainless steel |
| LED | Light on the left indicates connection status. |
Controls
- Content Key
- Noise Control (right ear cup)
- Power/Bluetooth (left cup) control.
- Press once to play/pause.
- Press twice to skip a track.
- Press three times to play the previous track.
- Press once to answer a call.
- Press and hold to decline a call.
- Press to switch between Active Noise Canceling and Aware Mode.
- Press and hold to activate the voice assistant.
- Press and hold the Power/Bluetooth button (about 3 seconds) to power on your headphones.
| Power & Connectivity | |
| Bluetooth | Bluetooth 5.4 supports audio streaming from any Bluetooth-enabled device. |
Press and hold the Power/Bluetooth button (about 7 seconds) to put your headphones into Bluetooth pairing mode and pair a new device.
| Battery | Li-ion, 1060mAh battery powers up to 30 hours of listening time or 24 hours of call time with Active Noise Cancellation or Aware Mode enabled. |
| Charging | Charge with included USB-C cable and a compliant power adapter. Rapid charge provides 3 hours of listening time in 3 minutes from 0%. A complete charge from 0% can require up to 3 hours.
You can also charge Sonos Ace with a USB-A to USB-C cable and a compliant power adapter. |
| Operating temperature | 14°F to 104°F (-10°C to 40°C) |
| What’s in the box? | |
| Sonos Ace | Product |
| Travel case | With a removable cable pouch |
| USB-C to USB-C cable | 2.46 ft (0.75 m) |
| USB-C to 3.5 mm cable | 3.94 ft (1.2 m) |
| Documentation | Quickstart Guide and legal/warranty information |
| Requirements | |
| Audio source | Supported Bluetooth device, such as a smartphone |
Customer Service
- Website: https://support.sonos.com/
- Ph: (800) 680-2345
FAQs
Q: What devices can I connect to the Sonos Ace headphones?
The Sonos Ace connects to smartphones, tablets, PCs, and audio players using Bluetooth. It can also connect directly to TVs or other audio sources using the USB-C or 3.5 mm audio connection included with the headphones.
Q: Does the Sonos Ace support multipoint Bluetooth?
Yes. The Sonos Ace allows you to stay connected to two Bluetooth devices simultaneously—such as a phone and laptop—and switch between them automatically.
Q: How do I pair the Sonos Ace for the first time?
Press and hold the Power/Bluetooth button until the LED flashes blue. Select “Sonos Ace” from the Bluetooth menu on your device to complete pairing.
Q: Do the Sonos Ace have Active Noise Cancellation (ANC)?
Indeed. In addition to Aware Mode, which blends ambient audio for safer listening when necessary, the Sonos Ace has adaptive active noise cancellation to lessen outside sounds.
Q: How long does the battery last?
The headphones enable up to 30 hours of listening with noise-cancelling on. A fast-charging option allows several hours of listening after a brief 10–15-minute charge.
Q: Can I use these headphones with the Sonos home audio system?
Indeed. The Sonos Ace feature TV Audio Swap, letting you transmit TV sound from compatible Sonos soundbars (such as Arc or Beam Gen 2) directly to your headphones for private listening.
Q: Do the Sonos Ace support wired listening?
Absolutely. You can use either the USB-C audio cable or the USB-C to 3.5 mm converter for wired playing when Bluetooth isn’t available or when saving battery power.
Q: How do I update the firmware?
Install the Sonos app, attach your headphones, and follow the directions. Firmware updates maintain optimal performance and introduce new features when available