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  3. RETRO BOX FIO-RETROBOX vs Sound Party

FiiO RETRO BOX FIO-RETROBOX vs Xiaomi Sound Party

What RETRO BOX FIO-RETROBOX does better (1) and where Sound Party wins (3) — every spec side by side.

FiiO RETRO BOX FIO-RETROBOX
1 advantage≈ $75
vs
Xiaomi Sound Party
Xiaomi · 2026Sound Party
8.4Score
3 advantages≈ $75
Higher score
Dimensions

Size comparison

RETRO BOX FIO-RETROBOXSound Party
98.8 × 76152.8255 × 9292
RETRO BOX FIO-RETROBOXSound PartyDifference
Height76 mm92 mm−16 mm
Width98.8 mm255 mm−156.2 mm
Depth152.8 mm92 mm+60.8 mm

Drawn to the same scale from the official dimensions (front and side).

Why is RETRO BOX FIO-RETROBOX better than Sound Party?

  1. Bluetooth version6 vs 5.4+11%

Why is Sound Party better than RETRO BOX FIO-RETROBOX?

  1. Battery life10.5 h vs 26 h2.5×
  2. Output power11 W vs 50 W4.7×
  3. Lowest frequency65 Hz vs 60 Hz+8%
Specifications

Side by side

Sound
Output power11 W50 W
Lowest frequency65 Hz60 Hz
Highest frequency20,000 Hz20,000 Hz
Spatial / 3D audio—Yes
Hi-Res AudioYes—
Stereo—Yes
Battery & charging
Battery life10.5 h26 h
Battery capacity—5,200 mAh
Quick charge (claimed)—10 min → 2 h
Fast charging support—Yes
Power bank function—Yes
Mains powered—No
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version65.4
Bluetooth codecs—SBC
Hi-res codec (LDAC / aptX HD / LHDC)—No
aptX—No
LDAC—No
NFC pairing—Yes
USB-C—Yes
Design & build
Weight—1,200 g
Width99 mm255 mm
Height76 mm92 mm
Depth153 mm92 mm
Protection rating—IP67
Water resistance (IPx)—IPx7
Dust protection (IP)—6
Colours—Black, Orange
Features
Hands-free callsYesYes
Party / stereo pairing—Yes
Light effects—Yes
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