Sony ULT FIELD 3 vs Marshall Middleton II

The short answer

Sony ULT FIELD 3 wins this comparison. Choose it if a lower purchase price is your priority. Sony ULT FIELD 3 has the lower recorded reference price: $209.99 versus $329.99, a $120.00 difference.

Sony

Sony ULT FIELD 3

Press the ULT button for a bass boost, then carry it by the included shoulder strap. IP67 protection, phone charging and up to 24 hours of playtime suit days out.

Bettr Score

68.8/100

Marshall

Marshall Middleton II

Built for long weekends, with 30+ hours of playtime, 360° sound and phone charging. Bass and treble controls let you adjust the sound; expect 3.97 lb to carry.

Bettr Score

66.5/100

Side-by-side specifications

Specifications for Sony ULT FIELD 3 and Marshall Middleton II
Sony ULT FIELD 3	Specification	Marshall Middleton II
$209.99 ✓ Winner	Reference price	$329.99
24 hours	Advertised battery life	30 hours ✓ Winner
2.65 lb ✓ Winner	Weight	3.97 lb
IP67	Ingress protectionTie	IP67
4	Durability tierTie	4
5.2	Bluetooth versionPersonal preference	5.3
Yes	Can charge another deviceTie	Yes
Not stated / not applicable	USB audio inputNot enough data	Not stated / not applicable
Not stated / not applicable	Auracast or compatible broadcast pairingNot enough data	Yes
Not stated / not applicable	Floats in waterNot enough data	Not stated / not applicable
Yes	SpeakerphoneTie	Yes

The buying advice

Which speaker fits you?

Who should choose Sony ULT FIELD 3?

Choose Sony ULT FIELD 3 if you want less weight in your bag. Sony ULT FIELD 3 weighs 2.65 lb versus 3.97 lb — 1.32 lb less to carry.

Who should choose Marshall Middleton II?

Choose Marshall Middleton II if a longer advertised playtime matters. Marshall Middleton II advertises up to 30 hours, versus up to 24 hours for Sony ULT FIELD 3.

The main tradeoff

Sony ULT FIELD 3 weighs 2.65 lb versus 3.97 lb — 1.32 lb less to carry. Marshall Middleton II advertises up to 30 hours, versus up to 24 hours for Sony ULT FIELD 3. The recorded reference-price difference is $120.00.

Sources and score details

Sony ULT FIELD 3 gains 3.8 score points on recorded reference price (20% weight; adjusted for each speaker’s available evidence).
Sony ULT FIELD 3 gains 2.6 score points on weight (15% weight; adjusted for each speaker’s available evidence).
Sony ULT FIELD 3 gains 0.8 score points on water/dust protection tier (20% weight; adjusted for each speaker’s available evidence).

Less to carry
Sony ULT FIELD 3 weighs 2.65 lb versus 3.97 lb — 1.32 lb less to carry.
Sony ULT FIELD 3 source · 2026-10-18 Marshall Middleton II source · 2026-10-18
Longer advertised playtime
Marshall Middleton II advertises up to 30 hours, versus up to 24 hours for Sony ULT FIELD 3.
Sony ULT FIELD 3 source · 2026-10-18 Marshall Middleton II source · 2026-10-18
Lower reference price
Sony ULT FIELD 3 has the lower recorded reference price: $209.99 versus $329.99, a $120.00 difference.
Sony ULT FIELD 3 source · 2026-10-18 Marshall Middleton II source · 2026-10-18

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Where to buy Sony ULT FIELD 3

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In stock · checked Oct 30, 2026

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Where to buy Marshall Middleton II