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  3. Bluetooth Speaker vs GBT Solo

Bitty Boomers Bluetooth Speaker vs Grundig GBT Solo

What Bluetooth Speaker does better (1) and where GBT Solo wins (1) — every spec side by side.

Bitty Boomers Bluetooth Speaker
Bitty Boomers · 2025Bluetooth Speaker
1 advantage≈ $16
vs
Grundig GBT Solo
Grundig · 2024GBT Solo
5.5Score
1 advantage≈ $16
Higher score

Why is Bluetooth Speaker better than GBT Solo?

  1. Weight89 g vs 200 g2.2×

Why is GBT Solo better than Bluetooth Speaker?

  1. Battery life4 h vs 20 h5×
Specifications

Side by side

Sound
Output power—4 W
Speaker channels—2.0
Channel count—2
Stereo—Yes
Battery & charging
Battery life4 h20 h
Battery capacity—1,050 mAh
Mains poweredNoNo
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version55
Bluetooth codecsSBCSBC
Hi-res codec (LDAC / aptX HD / LHDC)NoNo
aptXNoNo
LDACNoNo
3.5 mm jack / AUX—Yes
Design & build
Weight89 g200 g
Width—90 mm
Height—36 mm
Depth—72 mm
Protection rating—IPX5
Water resistance (IPx)—IPx5
Features
Hands-free calls—Yes
Party / stereo pairing—Yes
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