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  3. ULT FIELD 3 vs ISIBOX 1

Sony ULT FIELD 3 vs TechniSat ISIBOX 1

What ULT FIELD 3 does better (2) and where ISIBOX 1 wins (1) — every spec side by side.

Sony ULT FIELD 3
Sony · 2025ULT FIELD 3
8.2Score
2 advantages≈ $110
Higher score
vs
TechniSat ISIBOX 1
TechniSat · 2025ISIBOX 1
1 advantage≈ $100
7.9Battery2.7
Dimensions

Size comparison

ULT FIELD 3ISIBOX 1
256 × 11379185 × 115100
ULT FIELD 3ISIBOX 1Difference
Height113 mm115 mm−2 mm
Width256 mm185 mm+71 mm
Depth79 mm100 mm−21 mm
Weight1,200 g757 g+443 g

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

Why is ULT FIELD 3 better than ISIBOX 1?

  1. Battery life24 h vs 6 h4×
  2. Output power30 W vs 4 W7.5×

Why is ISIBOX 1 better than ULT FIELD 3?

  1. Weight1,200 g vs 757 g+59%
Specifications

Side by side

Sony ULT FIELD 3Sony ULT FIELD 3≈ $1108.2
Sound
Output power30 W4 W
Speaker channels—2.0
Channel count—2
Lowest frequency20 Hz—
Highest frequency20,000 Hz—
Adjustable equaliser—Yes
Stereo—Yes
Battery & charging
Battery life24 h6 h
Battery capacity—2,800 mAh
Charging time—4 h
Power bank functionYes—
Mains poweredNoNo
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version5.2—
Bluetooth codecsAAC, SBC—
Hi-res codec (LDAC / aptX HD / LHDC)No—
aptXNo—
LDACNo—
USB-CYes—
3.5 mm jack / AUX—Yes
Optical input—Yes
Design & build
Weight1,200 g757 g
Width256 mm185 mm
Height113 mm115 mm
Depth79 mm100 mm
Protection ratingIP67—
Water resistance (IPx)IPx7—
Dust protection (IP)6—
Colours—Black
Features
Hands-free callsYes—
Party / stereo pairingYes—
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