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  3. ULT FIELD 5 vs X20

Sony ULT FIELD 5 vs W-KING X20

What ULT FIELD 5 does better (3) and where X20 wins (2) — every spec side by side.

Sony ULT FIELD 5
Sony · 2025ULT FIELD 5
8.1Score
3 advantages≈ $180
vs
W-KING X20
W-KING · 2026X20
9.3Score
2 advantages≈ $170
Higher score
7.5Battery8.3
4.8Build & features6.7
Dimensions

Size comparison

ULT FIELD 5X20
320 × 144125530 × 300245
ULT FIELD 5X20Difference
Height144 mm300 mm−156 mm
Width320 mm530 mm−210 mm
Depth125 mm245 mm−120 mm

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

Why is ULT FIELD 5 better than X20?

  1. Hi-res codec (LDAC / aptX HD / LHDC)Yes · X20: No
  2. Battery life25 h vs 24 h+4%
  3. LDACYes · X20: No

Why is X20 better than ULT FIELD 5?

  1. Output power50 W vs 200 W4×
  2. Charging time3.5 h vs 3 h+17%
Specifications

Side by side

Sony ULT FIELD 5Sony ULT FIELD 5≈ $1808.1
W-KING X20W-KING X20≈ $1709.3
Sound
Output power50 W200 W
Speaker channels2.0—
Channel count2—
Lowest frequency20 Hz—
Highest frequency20,000 Hz—
Spatial / 3D audioYes—
Hi-Res AudioYes—
Adjustable equaliserYes—
StereoYesYes
Battery & charging
Battery life25 h24 h
Battery capacity—30,000 mAh
Charging time3.5 h3 h
Power bank functionYesYes
Mains poweredNoNo
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version5.35.4
Bluetooth codecsLDAC, AAC, SBCSBC
Hi-res codec (LDAC / aptX HD / LHDC)YesNo
aptXNoNo
LDACYesNo
Multipoint (two devices)Yes—
USB-CYesYes
3.5 mm jack / AUXYes—
Smart & streaming
Companion appYes—
Design & build
Weight3,300 g—
Width320 mm530 mm
Height144 mm300 mm
Depth125 mm245 mm
Protection ratingIP67IPX7
Water resistance (IPx)IPx7IPx7
Dust protection (IP)6—
Colours—Black
Features
Party / stereo pairingYesYes
Light effectsYes—
To compare: 0up to 4 models
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