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Cylindrical blue portable speaker with fabric wrap and rubber ends

BYANDBY BY-05B Portable Speaker Blue 10W 20W Peak IPX5

SKU CH-MFGC-FZWGK

A waterproof portable Bluetooth speaker delivering 10 W continuous output with 20 W peak power and up to 10 hours of playtime

  • Product nameBY-05B
  • Connection optionsBluetooth
  • Speaker categoryOutdoor
  • Spec summaryWaterproof
  • Input sourcesBluetooth
  • Speaker setup2.0
  • 10 W continuous output for clear sound
  • 20 W peak power for punchy bass
  • IPX5 rating resists splashes and rain
  • Up to 10 hours playtime per charge
  • 581 g weight fits easily in any bag

Compact Bluetooth speaker for outdoor use

The BYANDBY BY-05B is a portable speaker built for outdoor environments. Its IPX5 rating protects against water splashes and spills, while the 2.0 channel layout delivers stereo sound from a single unit. Weighing 0.581 kilograms and measuring 8.2 in x 2.3 in x 2.3 in, it fits easily in a bag for travel, camping or poolside listening.

Suits listeners who need rugged portability.

Buyers wanting a durable, water-resistant speaker for showers, hikes or beach trips will find the IPX5 protection and 10 W continuous output practical. The passive amplification and Bluetooth-only input mean it cannot connect to wired sources or integrate into a wider home audio system, so users who need auxiliary inputs or multi-speaker synchronisation should look elsewhere.

10 W continuous output with 20 W peak power

The amplifier provides 10 W of sustained power and can reach 20 W peak for dynamic passages. This single figure determines whether the speaker can fill your intended space — suitable for personal or small-group listening outdoors, but not for larger gatherings that demand higher continuous volume.

How it compares

Measured against everything we stock in Bluetooth & Party Speakers, at today’s prices. Recalculated every night.

Price $29.99
Cheaper than about 68% of the 862 comparable items (median $39.99).

Specifications

Product
Brand nameBYANDBY
Model nameBY-05B
Part numberBY-05B
Product nameBY-05B
Product colorBlue
Audio & video
Speaker categoryOutdoor
Speaker setup2.0
AmplificationPassive
Frequency response20 Hz
Connectivity
Connection optionsBluetooth
Ports & slots
Input sourcesBluetooth
Size & build
Product dimensions8.2 in × 2.3 in × 2.3 in
Product weight0.581 kg
In the box
In the boxBluetooth Speaker

Questions about this item

How do I pair two BY-05B speakers for stereo sound and what step causes it to fail?

Power on both units then press the pairing button on one speaker; the link breaks if the second speaker is not put into pairing mode within a few seconds

What part of the BY-05B will need replacement first with daily use?

The internal rechargeable battery degrades after repeated charge cycles and is not user-replaceable

What limit appears first when the BY-05B runs at high volume for long periods?

Thermal protection reduces output once the amplifier reaches its temperature ceiling, cutting peak power to the 10 W continuous level

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