Name: JL Audio HD750/1 (Open Box, Like New)
Brand: JL Audio
SKU: hd7501_obn
Price: 997.49 USD
Availability: Discontinued
Rating: 4.9000 (10 reviews)

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Product highlights

• 750 watts x 1 channel @ 4 ohm
• 750 watts x 1 channel @ 2 ohm
• Total RMS Power: 750 watts
• Class D 1.5 ohm Stable Monoblock Amplifier

Learn more about the hd7501_obn

Description

Authorized dealer

Item Condition - Like New (Open Box):

This product works and looks like new. It may have been opened for a visual demo or product video. In some cases there may be signs of an attempt at installation like opened packaging or mounting screw holes used, but there is no real sign of use or wear. Includes all original parts, packaging and accessories (or suitable replacement)

HD750/1

This ultra-compact monoblock amplifier employs our Single-Cycle Control switching design and R.I.P.S. technology to deliver 750 W of clean power into any impedance between 1.5 and 4 Ω, giving you the highest degree of flexibility in designing your subwoofer system. Tight power supply regulation keeps distortion down and maximizes your bass quality. From a pure sound quality perspective, we invite you to compare the real-world, in-car performance of this amplifier to any other amplifier on the market, of any type, at any price. While targeted primarily to subwoofer applications, the HD750/1 is a wide-range amplifier and can also be used to drive high-performance mid-range speaker systems. This amplifier features a brushed aluminum finish with black powder-coated cast alloy heat sinks and bottom panel. A black powder-coated, gasketed cover is also provided to protect the controls.

JL Audio HD750/1

750W RMS Class D HD Series Monoblock Car Amplifier
Quantity: 1

Product Details:

HD Series Class D 1.5 ohm Stable Monoblock Amplifier
RMS Power Rating:

4 ohm: 750 watts x 1 channel
2 ohm: 750 watts x 1 channel

Total RMS power output: 750 watts
LED Power/Protect Light
1 pair of pre-amp outputs
Signal sensing remote turn-on
3-way protection circuitry (thermal, overload, and speaker short protection)
Delivers exceptional audio quality with reduced current draw and heat
Selectable 12-decibel/octave (Butterworth) or steep 24-decibel/octave (Linkwitz-Riley)
Feature advanced rollback protection
Brushed aluminum finish with black powder-coat cast
Black powder-coated gasketed cover provided
Removable power and speaker plugs
RealSink chassis and vertical cast-alloy fins to dissipate heat effectively
RIPS (Regulated, Intelligent Power Supply) technology to adjust amplifier's operation
Single cycle control technology
Optional remote level controller (sold separately)
Offers flexible mounting options via optional stacking kits
Optional stacking kit (sold separately)
Input sensitivity:

Low level: 0.2 - 2 volts
High level: 0.8 - 8 volts

Frequency Response: 6 - 8000 Hz
Total Harmonic Distortion (THD): 0.03%
Signal to Noise Ratio: 111 dB
Variable low-pass filter: 50 - 500 Hz
Subsonic filter: 0 - 30 Hz
Fuse Rating: 60A (AFS, AGU or MaxiFuse)
4 AWG gauge amplifier wiring kit is recommended for installation
Dimensions: 10-13/16" L x 8-13/16" W x 1-15/16" H
Authorized Internet Dealer
2 Year Manufacturer's Warranty
MFR #: HD750/1

Specifications & Details

Key Features

Amplifier Key Features

Speaker Level Inputs

Power Specifications - Subwoofer Channel

RMS Power @ 4 ohms

750 watts x 1 channel

RMS Power @ 3 ohm

750 watts x 1 channel

RMS Power @ 2 ohms

750 watts x 1 channel

RMS Power @ 1.5 ohm

750 watts x 1 channel

Amplifier Specifications

Series

HD Series

Amplifier Class

Number of Channels

1 - Mono

Total RMS Power Output

750 watts

Maximum Input Gauge Size

4 AWG

Minimum Impedance Unbridged

1.5 ohm

Minimum Impedance Bridged

Not Bridgeable

Frequency Response

6 - 8000 Hz

THD at Rated RMS Power

<0.03%

Speaker Level Inputs

Yes

Preamp Outputs

1 pair

Built-in Crossover

Low-Pass (LP)
High-Pass (HP)
Full (AP)
Subsonic

High-Pass Crossover Frequency

50 - 500 Hz

Low-Pass Crossover Frequency

50 - 500 Hz

Subsonic Filter

0 - 30 Hz

Signal-to-Noise Ratio

111 dB

Remote bass/level controller

Optional (Accessory required and sold separately)

JL Audio HD-RLC

Fuse Rating

60A x 1

Total Fuse Rating

Strappable

Amp Bluetooth Connectivity

Hi-Res Certified

Low-Level Input Sensitivity

200mV - 2 volts

High-Level Input Sensitivity

800mV - 8 volts

What is in the box?

Paperwork

User manual
Warranty/Registration card

WITB: Amplifiers

Amplifier
Mounting screws (4)
Allen wrenches (2)

Warranty and Return Policy

Parts Warranty Duration

2 years

Labor Warranty Duration

2 years

Warranty Provider

Manufacturer

Customer Ratings & Reviews

JL Audio HD750/1 (Open Box, Like New) thumbnail image

Overall rating distribution

5 star		90%
4 star		10%
3 star		0%
2 star		0%
1 star		0%

Filter by Star Rating

Show only Verified Purchases

By feature average rating

Durability		4.9
Value		4.7
Features		4.9
Design		4.8
Usability		4.8

Customer Reviews

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Pretty freakin awesome!

The following review is for HD750/1, which is a part of the bundle you are viewing.

Bought this along with the JL Audio 12w7ae and had a custom enclosure built. This was installed in a 2012 Scion tC. Very clean sound and it hits super hard! Best setup I've ever owned. Sonic Electronics was super fast getting the sub and amp to me and at a much better price than anyone else! Highly recommend this setup. Even if you don't get JL, I would still recommend buying from Sonic!

By Cerveza on April 11, 2014

77 found this helpful

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Great

The following review is for HD750/1, which is a part of the bundle you are viewing.

I'm pushing a 12W6 with my 750/1 and I couldn't be happier. I should've purchased JL products a long time ago.

By Terrence on May 31, 2011

67 found this helpful

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JL HD750/1 mono amp

The following review is for HD750/1, which is a part of the bundle you are viewing.

I have this amp connected to a JL 12w7 prowedge sealed box. it hits pretty good. I wish I would have saved a couple hundred more and baught the 1000/1v2. bottom line is this: if you have limited space and want a great amp then this is the way to go. If you have the room and want one of the best amps made, then buy the JL 1000/1v2 amp. it's an old school analog amp built to give real power. The HD series are digital and dont seem to have the umpff like the 1000/1v2 slash series. It matters what kind of sub you have too. I'm upgrading to a ported 12w7 HO box and the 1000/1v2 amp just cause i know it will sound better. Overall i'm happy, but you know how it is.

By Bud on July 2, 2009

68 found this helpful

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Awesome Amp

The following review is for HD750/1, which is a part of the bundle you are viewing.

This amp sounds so much cleaner than other avg quality amps. Very small, barely gets warm. I have it powering 2 JL 12w3 subs in a Sonic brand sealed box. Sounds very nice and clean. Great experience with Sonic on all purchases. Quick shipping, awesome customer service when needed. Keep up the great work Sonic!

By William on December 1, 2011

65 found this helpful

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JL Audio HD750/1

The following review is for HD750/1, which is a part of the bundle you are viewing.

I recommed this product i hook it two 12tw3d4 shallow at 4 ohms at 1/4 of level imput and sounds amazing shipping was fast also thanks sonic electronix

By Anonymous on July 1, 2018 Checkmark Icon

Verified purchase

41 found this helpful

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Expensive, but great performance.

The following review is for HD750/1, which is a part of the bundle you are viewing.

Over all great product not sure if it's worth the price tag, but the performance is excellent and I guess that's hard to put a price on.

By Larry on November 1, 2015

40 found this helpful

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The following review is for HD750/1, which is a part of the bundle you are viewing.

By Samuel on October 21, 2023 Checkmark Icon

Verified purchase

27 found this helpful

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Clean Power

The following review is for HD750/1, which is a part of the bundle you are viewing.

Powering two 12TW3-D8’s in a JL Stealthbox under the backseat of a 2018 F-150. Plenty of power for the job. Seems to stay cool even after driving it hard for 45 minutes. Hard to beat JL quality.

By Valentino on November 26, 2024 Checkmark Icon

Verified purchase

14 found this helpful

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The following review is for HD750/1, which is a part of the bundle you are viewing.

By Richard on October 13, 2025 Checkmark Icon

Verified purchase

1 found this helpful

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The following review is for HD750/1, which is a part of the bundle you are viewing.

By ulises on May 27, 2025 Checkmark Icon

Verified purchase