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Cylindrical blue fabric speaker with attached bungee loop

Logitech

Logitech 984-001967 Ultimate Ears BOOM 4 portable speaker Blue

SKU CH-0FAJ-C9Q5M MPN 984-001967

A portable Bluetooth speaker delivering 360-degree sound with deep bass, 15-hour battery life, IPX7 waterproofing and 45-metre wireless range in a drop-proof, floating design

  • NameUltimate Ears BOOM 4 Wireless Bluetooth® Speaker (Blue)
  • ColorBlue
  • Speaker TypeBluetooth Speaker
  • SpecificationPOWER Rechargeable lithium-ion battery for up to 15 hours of
  • CompatibilityFor audio playback: smartphones, tablets and other devices t
  • ConnectivityUSB
  • 360-degree sound for immersive listening
  • Up to 15 hours playback on one charge
  • IPX7 waterproof and floats for poolside use
  • Drop-proof to 1.5 metres for rugged durability
  • 52% post-consumer recycled plastic reduces waste

Portable Bluetooth speaker with 360-degree sound

The Logitech Ultimate Ears BOOM 4 is a portable Bluetooth speaker that delivers 360-degree audio with deep, accurate bass. It features a rechargeable lithium-ion battery rated for up to 15 hours of play time at 30% default volume. The speaker carries an IPX7 waterproof rating and is drop-proof up to 1.5 metres, making it suitable for outdoor and poolside use.

Ideal for durable wireless audio.

This speaker suits listeners who want a rugged, wireless companion for travel, beach trips or garden parties. Buyers who need a wired connection, stereo pairing with a single matching unit, or integration into a traditional home audio system should consider other options. The Bluetooth range extends to 45 metres in open conditions.

Fits in a backpack; pairs

The cylindrical design measures 184 mm tall and 73 mm wide, weighing 620 grams, so it slips into a day bag or attaches via the included bungee cord. The Ultimate Ears Boom app enables PartyUp pairing with compatible BOOM, MEGABOOM, EVERBOOM, EPICBOOM and HYPERBOOM speakers for wider coverage. One-touch playlist shortcuts work with major streaming services on both Android and iOS.

Highlights

  • 360-degree sound for immersive listening
  • Up to 15 hours playback on one charge
  • IPX7 waterproof and floats for poolside use
  • Drop-proof to 1.5 metres for rugged durability
  • 52% post-consumer recycled plastic reduces waste

Specifications

BrandUltimate Ears
NameUltimate Ears BOOM 4 Wireless Bluetooth® Speaker (Blue)
Model984-001967
Part Number984-001967
ColorBlue
Speaker TypeBluetooth Speaker
SpecificationPOWER
Rechargeable lithium-ion battery for up to 15 hours of play time
Playing at default volume(30%). Actual battery life will vary with use, settings and environmental conditions.
AUDIO
Maximum sound level: 85 dBC (normal)
The actual SPL may vary depending on the environment.
Drivers: two 1.57 in (40 mm) active drivers and two 1.81 x 2.57 in (46.1 x 65.2 mm) passive radiators
WIRELESS CAPABILITIES
147 feet (45 meter) range
Actual Bluetooth range will vary depending on the use, setting, environmental conditions and number of connected devices
CompatibilityFor audio playback: smartphones, tablets and other devices that support Bluetooth [Advanced Audio Distribution Profile (A2DP)]
ConnectivityUSB
Wireless TechnologyBluetooth
Operating Range147 feet (45 meter) range
BatteryRechargeable lithium-ion battery
Playback Time (up to)up to 15 hours of play time
Features15-HOUR BATTERY
VIRTUALLY INDESTRUCTIBLE
SIGNATURE + 4 PRE-SET EQ MODES
DimensionsHeight: 7.3 in (184 mm)
Width: 2.9 in (73 mm)
WeightWeight: 21.87 oz (620 g) (speaker only)
Package ContentsULTIMATE EARS BOOM 4
Bungee (attached to product)
Quick Start Guide (printed inside the box)
Shipping weight0.80 kg
Package size200 × 123 × 103 mm

Other versions of this model

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Questions about this item

Does the BOOM 4 need any extra hardware to stream music from my phone?

No. Any smartphone or tablet that supports the Bluetooth A2DP profile can send audio to the speaker without cables or adapters.

Can I pair this speaker with my older Ultimate Ears MEGABOOM for stereo sound?

Yes. The PartyUp feature in the Ultimate Ears Boom app links the BOOM 4 with MEGABOOM, EVERBOOM, EPICBOOM and HYPERBOOM models for multi-speaker playback.

How do I know the battery is actually delivering the rated 15 hours?

Play at the default 30 % volume level; the lithium-ion cell is rated for up to 15 hours under that condition, though real-world time varies with content and environment.

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