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JL Audio 250/1

250 watts, Class D Monoblock Amplifier

JL Audio
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250W RMS Monoblock Amplifier

Learn more about the jl2501

Good news and a little bad...

This item has been discontinued

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Product Highlights


250W RMS Monoblock Amplifier

Description


JL Audio brand icon

Authorized dealer

  • Class D Circuitry
  • 250W RMS @ 1.5 ohm - 4 ohm
  • THD at Rated Power: <0.05% @ 4 ohm
  • S/N Ratio: >95dB below rated power
  • Frequency Response: 5 - 50,000 Hz (+0, -1dB)
  • Damping Factor: >500 @ 4 ohm/50 Hz
  • Input Range: switchable from 200mV-2V RMS to 800mV-8V RMS
  • Differential-Balanced Input Topology: (1 pair of inputs)
  • On-board Crossover: fully-variable (40-200 Hz), selectable-slope LP (12 or 24 dB per octave)
  • Preamp Output: 2-channel (full-range, LP or HP)
  • Bass EQ: variable boost up to 15dB    
  • Infrasonic Filter: defeatable 24dB/octave at 30 Hz
  • Signal-Sensing Turn-On: permits operation without remote lead
  • Dual mono speaker output connections: accept up to 8ga. wire
  • +12V and Ground connections: accept up to 4ga. Wire
  • Dimensions: 10.25"L x 9.25"W x 2.36"H


Due to the complexities of installation, previous customer abuse, and improper installation, the JL Audio 250/1 is now a repair only item whether defective on day 1 or day 365 of ownership.

Product history:

JL Audio 250/1v2 thumbnail
(newest, current model)
JL Audio 250/1 thumbnail
(previous model, replaced by JL Audio Slash v2 250/1v2)

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
250 watts x 1 channel
RMS Power @ 2 ohms
250 watts x 1 channel
RMS Power @ 1 ohm
(at 1.5 ohms) 250 watts x 1 channel
Amplifier Specifications
Amplifier Class
D
Number of Channels
1 - Mono
Total RMS Power Output
250 watts
Minimum Impedance Unbridged
1.5 ohm
THD at Rated RMS Power
0.05%
Speaker Level Inputs
No
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Low-Pass Crossover Frequency
40 - 200 Hz
Signal-to-Noise Ratio
95 dB
Bass Boost
0 - 15 dB
Remote bass/level controller
No

Item Details


Manufacturer:

Model Number:

250/1

Weight:

10.00lbs

Internal SKU:

jl2501

Internal Product ID:

1651

Product and How-to Videos


Customer Ratings & Reviews


JL Audio 250/1 thumbnail image

5 star
63%
4 star
38%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
4.3
Features
4.4
Design
4.7
Usability
4.8

Customer Reviews

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Pricey

Contrary to popular belief JL is not the absolute best, though they are darn close. They maintain a quality product though as the title suggests they are not very economical. Not intended for first timers.

By Mark on April 3, 2005

29 found this helpful


Great Amp!!

I have this powering a Memphis PR 12" DVC sub. easily overpowers this sub in the substandard sealed truck box I have it in (0.7cf box) this little 250w amp has some PUNCH! I highly recommend JL products. my next step will be a JL W3 or W6 if I can fit it in a standard cab pickup! sound is CLEAN and STRONG!
JL uses true RMS ratings on the slash series amps, 1 ohm to 4 ohms its the same 250w. this baby is just easy! (and it has high end connections, stick the stripped cables in the hole and tighten the set screw, no funky connectors to buy! (or cost you power/looks)

By Ben on December 20, 2007

27 found this helpful


loud

I have 2 kicker L5's hooked up to this amp and capacitor also with 2000 watt memphis hooked up to 8 seleniums 6in and tweets also hooked up to capacitor and i haven't heard any better sounding system for the amount of stuff put in, u can hear it clear for blocks

By shitsloud on December 21, 2009

26 found this helpful


No Overheating

I recently used two JL Audio 250/1 mono block amplifiers when building my system. They consistently preform well for me and seem that they have been build to last. I have them mounted on an amp rack behind the bench of a regular cab Toyota Tacoma where space is limited. There is also very little room for ventilation, so I thought that overheating might be a problem, but it has yet to do so. These amplifiers, even given such limited ventilation do not heat up like other amplifiers I have used in the past. I am very impressed JL Audio!

By Grant on July 12, 2007

26 found this helpful


Awesome

By far one of the best amps i have ever owned!!

By David on December 20, 2005

26 found this helpful


great amp

first off id also like to say that I agree that yes JL is pricey, but really you cannot complain about that when you use this amp. This amp will seriously rock you like you wouldnt believe.Don't let the 250/1 fool you because this amp doesits wonders and believe me, I had this amp hooked up to 2 12" subwoofers that were 400 RMS each and wow, I shook my rearview mirror off!

By Dustin on February 20, 2006

25 found this helpful


Good Amp

I'd have to agree with the other guy, JL IS PRICEY. I was always against them because of that but my buddy let me have this amp and im actually very pleased by it. It pushes my 2 MA HK 8's just fine. Both of them have an RMS of 400 and im getting a good pump out of them so im not complaining about this amp. If you have the money and dont have a crrrazzyyy system but just have some bump then id say try this amp on for size. I think you'll like it.

By Lloyd on February 17, 2006

24 found this helpful


this amp is sweet. i have 2 kicker l5 12 inch. they will knock your pecker in the dirt. for a 250 watt amp it kicks like a donkey.

By tyler on February 25, 2006

24 found this helpful



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