String comparison

Live Wire XP vs NXT

Gamma Live Wire XP against Wilson NXT: ratings, specs and which one fits your junior.

Gamma

Live Wire XP

  • Multifilament · $15–18 / set
  • Arm 5/5 · from age 8

Wilson

NXT

  • Multifilament · $18–20 / set
  • Arm 5/5 · from age 8

The short answer

Both are multifilament strings. Live Wire XP leads on spin. They score the same for arm friendliness (5/5). Live Wire XP costs less per set.

Ratings

Power

Live Wire XP 8
NXT 8

Spin

Live Wire XP 6
NXT 5

Control

Live Wire XP 6
NXT 6

Comfort

Live Wire XP 9
NXT 9

Durability

Live Wire XP 5
NXT 5

Tension hold

Live Wire XP 6
NXT 6

Ratings are on a 1–10 scale. The higher score is in bold when they differ.

Pick Live Wire XP if…

  • You want more spin (6 vs 5 out of 10)
  • You want to spend less (from $15 vs $18 a set)
  • Best for: players with arm problems
  • Best for: comfort-seekers at any level
  • Best for: all-court players wanting feel

Pick NXT if…

  • Best for: players with arm issues or tennis elbow
  • Best for: young juniors needing comfort
  • Best for: players with slow to moderate swing speeds

Specs side by side

Gamma Live Wire XP vs Wilson NXT specifications
SpecLive Wire XPNXT
TypeMultifilamentMultifilament
ConstructionMulti-fiber construction with soft outer wrap1,600 fibers with polyurethane resin coating
Gauges16, 1715L, 16, 17
StiffnessLowLow
Set price$15–18$18–20
Reel price$100–120$180–220
Arm friendliness5/5 · Excellent5/5 · Excellent
Cost to maintain3/53/5
Recommended fromAge 8Age 8
LevelsBeginner, Intermediate, AdvancedBeginner, Intermediate, Advanced
Play stylesAll court, Serve and volley, Touch playerAll court, Serve and volley, Touch player
Junior tension52-58 lbs for juniors. Very arm-friendly at any tension.52-56 lbs for juniors. Multifilament is very forgiving.

Live Wire XP in short

Gamma Live Wire XP continues Gamma's legacy of multifilament excellence. In 2004, Gamma Live Wire Professional became the first synthetic string to rank ahead of natural gut in Overall Performance from Tennis Warehouse. Live Wire XP delivers premium comfort with good power and playability. Built on over 50 years of string innovation from the company that pioneered synthetic string technology, it offers exceptional arm protection without sacrificing performance.

NXT in short

Wilson NXT is the most popular multifilament string on the market. The incredible feel and outstanding comfort comes from its construction of 1,600 fibers that create a cushioned response. The polyurethane resin coating seals the delicate fibers and enhances durability while softening the feel. NXT offers a 10% increased sweet spot over traditional synthetic gut and 74% less vibration. Players with slow to moderate swing speeds will benefit from the power of NXT. Tennis elbow sufferers looking for a softer, more comfortable string should give NXT a try.

Live Wire XP vs NXT: quick answers

Which has more spin, Live Wire XP or NXT?

Gamma Live Wire XP, with a spin rating of 6/10 against 5/10.

Which is more arm-friendly for a junior?

They score the same, 5/5. Live Wire XP is recommended from age 8 and NXT from age 8.

Which lasts longer?

They tie on durability (5/10). Tension maintenance: Live Wire XP 6/10, NXT 6/10.

Which is cheaper?

Live Wire XP costs about $15–18 a set and NXT about $18–20, at typical retail.

The short answer and the "pick if" lists are generated from our ratings and junior data only. Data verified 2025-01 (Live Wire XP) and 2025-01 (NXT).