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Cylindrical black portable speaker with attached bungee loop, matte finish, standing upright

Logitech

Logitech 984-001964 MEGABOOM 4 portable speaker Black

SKU CH-679Y-YTCGJ MPN 984-001964

A waterproof Bluetooth speaker with 360-degree sound, 20-hour battery life and IP67-rated floatable design

  • NameUltimate Ears MEGABOOM 4 Wireless Bluetooth® Speaker (Black)
  • ColorBlack
  • Speaker TypeBluetooth Speaker
  • SpecificationPOWER Rechargeable lithium-ion battery for up to 20 hours of
  • CompatibilityFor audio playback: smartphones, tablets and other devices t
  • ConnectivityCharge Type: Charges via USB-C cable (not included)
  • 20-hour battery lasts nearly a full day
  • IP67 waterproof rating survives full immersion and floats
  • 360-degree sound radiates evenly in every direction
  • 45-metre Bluetooth range keeps music playing from afar
  • 54% post-consumer recycled plastic reduces environmental impact

What it is and who it serves

The Ultimate Ears MEGABOOM 4 is a cylindrical Bluetooth speaker finished in black. It produces 360-degree sound with a maximum output of 85 dBC and emphasises thundering bass. A rechargeable lithium-ion cell delivers up to 20 hours of playback at the default 42 percent volume setting. The enclosure meets IP67 waterproofing and floats, making it suited for poolside, beach or shower use.

What to check before ordering

Your source device must support Bluetooth with the Advanced Audio Distribution Profile for audio streaming. The wireless range extends to 147 feet (45 metres) in open space. Charging requires a USB-C cable, which is not included in the package. The speaker weighs 32.98 ounces (935 grams) and measures 0.7 feet (225 millimetres) tall with a diameter of 0.2 feet (87 millimetres).

How it fits into a setup

The speaker pairs with the Ultimate Ears BOOM app for one-touch playlist access on Spotify, Amazon Music or Apple Music and offers Signature plus four preset EQ modes plus custom tuning. PartyUp allows linking multiple compatible Ultimate Ears speakers for wider coverage. Plastic parts contain a minimum of 54 percent post-consumer recycled content by weight. The box includes the speaker with an attached bungee loop and a printed quick-start guide.

Highlights

  • 20-hour battery lasts nearly a full day
  • IP67 waterproof rating survives full immersion and floats
  • 360-degree sound radiates evenly in every direction
  • 45-metre Bluetooth range keeps music playing from afar
  • 54% post-consumer recycled plastic reduces environmental impact

Specifications

BrandUltimate Ears
NameUltimate Ears MEGABOOM 4 Wireless Bluetooth® Speaker (Black)
Model984-001964
Part Number984-001964
ColorBlack
Speaker TypeBluetooth Speaker
SpecificationPOWER
Rechargeable lithium-ion battery for up to 20 hours of play time
*Playing at default volume(42%).Actual battery life will vary with use, settings and environmental conditions
AUDIO
Maximum sound level: 85dBC in the anechoic chamber; 91 dBC on the ground plane
Drivers: two 4 ohm 1.97 x 1.97in (50x 50 mm) (2”) full range; two 55 mm x 86 mm passive radiators
WIRELESS CAPABILITIES
147 feet (45 meter) range
CompatibilityFor audio playback: smartphones, tablets and other devices that support Bluetooth [Advanced Audio Distribution Profile (A2DP)]
ConnectivityCharge Type: Charges via USB-C cable (not included)
Wireless TechnologyBluetooth
Operating Range147 feet (45 meter) range
BatteryRechargeable lithium-ion battery
Playback Time (up to)up to 20 hours of play time
Features20-HOUR BATTERY
VIRTUALLY INDESTRUCTIBLE
SIGNATURE + 4 PRE-SET EQ MODES
DimensionsHeight: 0.7 ft (225 mm)
Width: 0.2 ft (87 mm)
Length: 0.2 ft (87 mm)
Weight32.98 oz (935 g) (speaker only)
Package ContentsULTIMATE EARS MEGABOOM 4
Bungee (attached to product)
Quick Start Guide ( printed inside the box)
Shipping weight1.18 kg
Package size241 × 140 × 99 mm

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Questions about this item

Does the MEGABOOM 4 come with a USB-C charging cable in the box?

The package includes the speaker with an attached bungee and a printed quick start guide. A USB-C cable for charging is not included and must be purchased separately.

Is the MEGABOOM 4 available in different battery capacities or only the standard version?

This model is offered with a single built-in rechargeable lithium-ion battery rated for up to 20 hours of playback at 42% default volume.

What does the 85 dBC maximum sound level mean for real-world listening?

The speaker reaches 85 dBC, delivering powerful 360-degree sound with thundering bass that remains clear and balanced at high volume.

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