Ordered before 23:59, delivered tomorrow for free
Ordered before 23:59, delivered tomorrow for free
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  • Ultimate Ears BOOM 4 Black
    Ultimate Ears BOOM 4 Black

    135,90

  • Our choice for a Bluetooth speaker that's easy to take with you
  • Ultimate Ears BOOM 4 Black
  • 135,90

  • 129,99

  • 139,90

  • 139,95

  • 139,95

Product
Product number
  • Product number
  • 950591
  • 957291
  • 953959
  • 953961
  • 953960
Manufacturer code
  • Manufacturer code
  • 984-001969
  • EM-JA023-SB
  • 887612-0100
  • 887612-0300
  • 887612-0200
Brand
  • Brand
  • Ultimate Ears
  • House of Marley
  • Bose
  • Bose
  • Bose
Warranty
  • Warranty
  • 2 years
  • 2 years
  • 2 years
  • 2 years
  • 2 years
Processing of your defect
  • Processing of your defect
  • Carry-in warranty
  • Via Coolblue
  • Via Coolblue
  • Via Coolblue
  • Via Coolblue
Physical properties
Speaker type
  • Speaker type
  • Bluetooth speaker, Wireless speaker
  • Bluetooth speaker, Wireless speaker
  • Bluetooth speaker, Wireless speaker
  • Bluetooth speaker, Wireless speaker
  • Bluetooth speaker, Wireless speaker
Width
  • Width
  • 7,3 cm
  • 17,1 cm
  • 20,14 cm
  • 20,14 cm
  • 20,14 cm
Depth
  • Depth
  • 7,3 cm
  • 6 cm
  • 9,04 cm
  • 9,04 cm
  • 9,04 cm
Height
  • Height
  • 18,4 cm
  • 9,4 cm
  • 5,23 cm
  • 5,23 cm
  • 5,23 cm
Wireless speaker size
  • Wireless speaker size
  • Compact (10 - 20cm)
  • Compact (10 - 20cm)
  • Compact (10 - 20cm)
  • Compact (10 - 20cm)
  • Compact (10 - 20cm)
Weight
  • Weight
  • 0,62 kg
  • 0,685 kg
  • 0,59 kg
  • 0,59 kg
  • 0,59 kg
Color
  • Color
  • Black
  • Black
  • Black
  • Cream
  • Blue
Integrated light effects
  • Integrated light effects
Built-in microphone
  • Built-in microphone
Power supply
Maximum battery life
  • Maximum battery life
  • 15 hours
  • 14 hours
  • 12 hours
  • 12 hours
  • 12 hours
Integrated power bank
  • Integrated power bank
Water resistance
Water resistance
  • Water resistance
  • Waterproof
  • Splash proof
  • Waterproof
  • Waterproof
  • Waterproof
Waterproofness certification
  • Waterproofness certification
  • IP certification
  • IP certification
  • IP certification
  • IP certification
  • IP certification
IP certification
  • IP certification
  • IP67
  • IP67
  • IP67
  • IP67
  • IP67
Network and streaming
Bluetooth
  • Bluetooth
Built-in WiFi
  • Built-in WiFi
NFC
  • NFC
Multi-room audio
  • Multi-room audio
Plays from network
  • Plays from network
Radio
  • Radio
Multi-speaker connectivity technology
  • Multi-speaker connectivity technology
  • UE PartyUp
  • Multipoint connectivity
Headphone jack
  • Headphone jack
Sound reproduction
  • Sound reproduction
  • 360 degrees, Stereo
  • Mono
  • Stereo
  • Stereo
  • Stereo
Controls
Controls via app
  • Controls via app
Controlled via buttons on device
  • Controlled via buttons on device
Remote control
  • Remote control
Durability
Quality mark sustainable product
  • Quality mark sustainable product
  • FSC certified packaging material
Product contributes to sustainability
  • Product contributes to sustainability
  • This product helps you separate trash
Green production features
  • Green production features
  • Partly made of recycled material

anything for a smile

Ordered before 23:59, delivered tomorrow for free