Space One - Headphones KEF - Free user manual and instructions

Product Type	Wireless over-ear headphones with active noise cancellation
Model	Space One Wireless
Brand	KEF
Dimensions (H × W × D)	195 × 170 × 82 mm
Weight	330 g
Power Supply	Built-in rechargeable Li-ion battery 850 mAh, DC 5V 600mA via Micro USB
Battery Playtime	30 hrs (BT + ANC on), 40 hrs (BT on, ANC off), 110 hrs (ANC on, BT off)
Driver Size	40 mm
Frequency Range	20 - 20000 Hz
Sensitivity	94 dB
Impedance	16 Ω
Bluetooth Version	4.1 with Qualcomm® aptX™
Bluetooth Range	10 m
Active Noise Cancellation	Yes, switchable (ANC on/off)
Audio Cable Included	Yes, with microphone
Carrying Case Included	Yes
Airline Adapter Included	Yes
Voice Prompts	Power, battery level, connection status, mute/unmute
LED Indicators	White solid (charged/connected), slow pulsing white (charging), fast pulsing white (low battery), blue pulsing (pairing)
Call Controls	Accept/end, reject, hold, mute
Music Controls	Play/pause, volume, track skip
Corded Operation	Yes, with audio mic cable (disables Bluetooth)
Maintenance & Cleaning	Wipe with dry cloth; do not use liquids or solvents
Safety Information	Not operable while charging; avoid excessive volume to prevent hearing damage
Spare Parts & Reparability	Contact KEF support; no user-serviceable parts
General Information	Designed by Porsche Design, sound by KEF

Frequently Asked Questions - Space One KEF

How do I pair the KEF Space One headphones with my phone?

Slide the power switch to ON. The blue LED will light up. Enable Bluetooth on your phone and select 'SPACE ONE WIRELESS'. When paired, the LED turns solid white and you'll hear 'Connected'.

Can I use the headphones while charging?

No, the Space One Wireless is inoperable while charging. Wait until fully charged before use.

How do I enable Active Noise Cancellation (ANC)?

Slide the ANC button to the ON position. To disable, slide it to the OFF position (indicated by a speaker icon).

What is the battery life?

Up to 30 hours with both Bluetooth and ANC on, 40 hours with Bluetooth on and ANC off, and 110 hours with ANC on and Bluetooth off.

How do I check the battery level?

The headphones announce the battery level via voice prompt: 'Battery high' (>80%), 'Battery medium' (<80%), 'Battery low' (<30%), or 'Please charge' (<10%). The LED also flashes fast white when battery is low.

Can I use the headphones with a wired connection?

Yes, use the included audio mic cable. Insert the jack (KEF logo end) into the headphones until it clicks. Bluetooth and button controls are disabled in wired mode. ANC can still be used.

How do I reset or enter pairing mode?

Disconnect any paired device. Press and hold both volume buttons together for 4 seconds until the LED pulses blue.

What is the warranty?

Warranty details are not specified in the manual. Please contact KEF support or visit KEF.COM for warranty information.

How do I clean the headphones?

Wipe the exterior with a dry, soft cloth. Do not use any liquids, solvents, or abrasive cleaners.

What should I do if the headphones are not charging?

Ensure the Micro USB cable is fully inserted into the charging slot. Try a different USB port or charger. If the LED does not show slow pulsing white, the battery may be faulty. Contact KEF support.

USER MANUAL Space One KEF

Line drawing of a pair of wireless headphones (no text or symbols)

PORSCHE DESIGN

SOUND

KEF

In the Box

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Line drawing of a pair of wireless headphones (no text or symbols)

2

Simple line drawing of an oval-shaped object with no text or symbols

3

Simple line drawing of a semi-circular shape with a horizontal line through its top edge (no text or symbols)

4

Line drawing of a coiled cable or connector with two connectors (no text or symbols)

5

6

Simple line drawing of a USB cable with connector (no text or symbols)

1	SPACE ONE WIRELESS
2	Carrying case
3	Accessory pouch
4	Audio mic cable
5	Airline adapter
6	USB charging cable

Headphones Overview

Get Started

Charge the battery

I. Plug the Micro USB end of the charging cable into the headphones charging slot.
2. Plug the USB end of the charging cable into the charger or a USB port on a computer.

* SPACE ONE WIRELESS is inoperable when charging.

Line drawing of a cylindrical device with a lid and control buttons, showing no text or symbols.

Enabling ANC (Active Noise Cancellation)

I. Slide the button to enable the ANC function
2. Slide the button to 📄 to disable the ANC function

Pair the headphones with your phone

1. Slide the button to
2. The blue LED will light up
3. Turn on the Bluetooth function on your phone

Get Started

graph LR
    A["Device with AC/DC switch"] --> B["Switch ON"]
    B --> C["Space One Wireless"]
    D["Analog device with ANC & OFF"] --> E["Switch ON"]
    E --> F["Mobile phone with hand pointing to 'SPACE ONE WIRELESS'"]

1. Your phone will start searching for SPACE ONE WIRELESS headphones
2. When paired, the blue LED will change to solid white
3. "Connected" will be heard in the headphones
4. The LED will flash blue and white for 5 seconds

Music/Call/Voice Control

Music Controls

	Function Press button
	Play/Pause Short press
	Vol + Short press
	Vol - Short press
	Next track Long press
	Previous track Long press

Voice Controls

Voice command Long press

Music/Call/Voice Control

Call Controls

	Function Press button
	Accept / End call Short press
	Reject call Long press
	Accept incoming call(2) and hold ongoing call(1)	Short press
	Accept incoming call(2) and end ongoing call(1)	Long press
	Mute/ Unmute the mic Long press
	Transfer call to phone Long press

Voice Prompt

Function Voice prompt
Power on “Power on”
Power off “Power off”
>80% “Battery high”
<80% “Battery medium”
<30% “Battery low”
<10% “Please charge”
Device connected “Connected”
Device disconnected “Disconnected”
Call muted “Microphone off”
Call unmuted “Microphone on”

Battery Status

	Voice Prompt LED
>80% “Battery high” --
<80% “Battery medium” --
<30% “Battery low” --
<10% “Please charge” Fast pulsing white

LED Indicator Light

	LED indicator Function
	Solid white Charged full
	Slow pulsing white Charging
	Fast pulsing white Battery low

* SPACE ONE WIRELESS is inoperable when charging

*	Solid white Connected
	Blue pulsing LED Pairing

* Disconnect any connected device
- Press and together and hold for 4 seconds to enter pairing mode

Corded Audio Mic Cable

• You may choose to use the included audio mic cable (i.e. when battery is low, when inflight, or to listen to high resolution audio)

• Insert the cable jack (KEF logo end) into the socket. To ensure the best connection, push until you hear a “click”, and the jack feels secure in the socket.
  • After plugging in the audio mic cable, Bluetooth and button functions are disabled.

• Slide the button to enable the ANC function

• Slide the button to disable the ANC function

Specifications

Model SPACE ONE WIRELESS
Speaker drivers 40mm
Frequency range 20-20000 Hz
Sensitivity 94dB
Impedance 16	Ω
Max power output 12mW
Bluetooth 4.1 with Qualcomm® aptXTM
Bluetooth power Class 2
Bluetooth range 10m
Bluetooth frequency 2.402-2.48 GHz
Li-ion rechargeable battery 850mAh
Battery play time 30hrs (BT on + ANC on)	40hrs (BT on + ANC off)110hrs (ANC on + BT off)
Dimension (H × W × D) 195 × 170 × 82 mm
Weight 330g
Power input DC 5V 600mA

For further information and troubleshooting, please visit KEF website: KEF.COM KEF reserve the right, in line with continuous research and development, to amend or change specifications without prior notice. E. & O.E

SOUND BY KEF, MAIDSTONE, U.K.

GP Acoustics (UK) Limited

Eccleston Road, Tovil, Maidstone

Kent, ME15 6QP UK

KEF.COM