Garage
Shop

See all parts that fit your 1985 Skylark

JL Audio J2 250.1 (J2250.1) Open Box

(Open Box) 250W, Single-Channel Class A/B J2 Series Monoblock Car Amplifier

JL Audio
Shop all JL Audio
Product videos
highlight-star-icon

J2 Series Monoblock Class A/B Car Amplifier • 250W RMS • Dual N-Channel MOSFET Output Stage • Speaker-Level Inputs • Preamp RCA Outputs • Dual Speaker Terminals • Variable Low-Pass Filter • Remote Bass Level Control

Learn more about the LS-j22501-OB

We apologize

This item has been discontinued

Product Highlights


J2 Series Monoblock Class A/B Car Amplifier • 250W RMS • Dual N-Channel MOSFET Output Stage • Speaker-Level Inputs • Preamp RCA Outputs • Dual Speaker Terminals • Variable Low-Pass Filter • Remote Bass Level Control

Description


JL Audio brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

  • J2 Series Monoblock Class A/B Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 175 watts x 1 chan.
    • 3 ohm: 210 watts x 1 chan.
    • 2 ohm: 250 watts x 1 chan.
  • Class A/B Monaural with Dual N-Channel MOSFET output stage
  • Pulse Width Modulated MOSFET power supply
  • Wired remote bass level control included
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +9 dB bass boost at 45 Hz)
  • Soft Start Turn-on
  • Mono channel operation
  • Speaker-level inputs with signal sensing for automatic turn-on
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-Way System Protection circuitry (thermal, overload, and speaker short protection)
  • Dual speaker terminals simplify the hookup of multiple speakers
  • Heavy duty aluminum alloy heatsink for extreme heat dissipation
  • Silver-plated RCA level inputs
  • Silver-plated screw terminals
  • Input sensitivity:
    • Low level: 200mV-4V
    • High level: 360mV-20.5V
  • Variable low-pass filter (60-240 Hz, 12 dB/octave)
  • Frequency response: 10-100 Hz
  • Dimensions: 10-5/8"L x 9-5/8"W x 2-3/16"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • 1-year Sonic Electronix warranty

Specifications & Details


Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms
175 watts x 1 channel
RMS Power @ 2 ohms
250 watts x 1 channel
RMS Power @ 1 ohm
Not Stable
Amplifier Specifications
Amplifier Class
A/B
Number of Channels
1 - Mono
Total RMS Power Output
250 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
1.0%
Speaker Level Inputs
Yes
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
Low-Pass Crossover Frequency
60 - 240 Hz
Bass Boost
0 - 12 dB
Fuse Rating
30A x 1 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

J2-250.1-OB

Weight:

8.00lbs

Internal SKU:

LS-j22501-OB

Internal Product ID:

34881

Product and How-to Videos


Customer Ratings & Reviews


JL Audio J2 250.1 (J2250.1) Open Box thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

1966 Buick LeSabre

1985 Buick Skylark

2016 Tesla Model S

2025 Chevrolet Blazer

2004 Saturn ION

2009 Mazda MX-5 Miata

2019 Chevrolet Spark

1994 Dodge Neon

1986 Audi Coupe

2013 Scion tC

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.