PedalBro

Looper · Line 6

Line 6 JM4 Looper

  • 9V DC · center −
  • Buffered bypass
  • Analog
New
No price yet
Used (asking)
from $99.99

Professional reviews

What the press rated it. We link to each review; read the full piece for the details.

Quick facts

Power
9V DC
Polarity
Center negative
Bypass
Buffered bypass
Dimensions
254 × 152.4 mm
Status
In production

Where to buy Line 6 JM4 Looper

Used listings asking $99.99–$201.91, median $156.91 (12 listings). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbUsed$99.99View
ReverbUsed$119.99View
ReverbUsed$119.99View
ReverbUsed$120View
ReverbUsed$149View
ReverbUsed$154.82View
ReverbUsed$159View
ReverbUsed$176.83View
ReverbUsed$199.99View
ReverbUsed$207.68View

Prices last checked 22 hours ago. Links to sellers are affiliate links.

Similar pedals

Same type, similar features.

Specs from pedalfilter. Summary written by PedalBro from those specs and public descriptions.

Page last updated September 29, 2026.