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JL Audio HD900/5

Compact, 900W RMS 5-Channel Class D HD Series Full System Amplifier

  • 4.9

(16 reviews)

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$1,199.95

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$899.95

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Customer Testimonial

I will not look at somewherelse for my audio needs. The best of the best ever. Service, price, and shipping. Next day delivery is like always standard for them. How u guys make it posssible? Thanks..

- joe from salt lake city, ut

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More Power from a Smaller Chassis

The 5-channel JL Audio HD900/5 HD series car amplifier delivers unreal power in a very small and convenient size. Often times smaller amplifiers will lack power or even quality, however with the new JL Audio HD amplifiers this will not be the case. The HD amplifiers are equipped with amazing technologies like Single Cycle Control, which tracks audio signal and compares it to the real PWM waveform and then corrects it accordingly each and every cycle. This helps to control distortion causing mechanisms improving the quality of the amplifier tremendously. HD amplifiers also feature the R.I.P.S. System, R.I.P.S. stands for "Regulated, Intelligent Power Supply" and ensures consistent power delivery over a wide range of battery voltages and load impedance's. This means you will received the same power output at 4 ohms all the way down to 1.5 ohms each and every single time. With dual mounting options for added versatility and advanced heatsinks with vertically oriented fins for extreme heat control, the JL Audio HD amplifiers are unmatched by other amplifiers in the same class.

Product Features:
  • JL Audio HD Series 5-Channel Class D Amplifier
  • Main Channels RMS Power Rating (11V-14.5V):
    • 4 ohms: 100 watts x 4 chan.
    • 3 ohms: 75 watts x 4 chan.
    • 2 ohms: 75 watts x 4 chan.
    • 1.5 ohms: 75 watts x 4 chan.
  • Bridged RMS Power Rating (11V-14.5V):
    • Bridged, 8 ohms: 200 watts x 2 chan.
    • Bridged, 6 ohms: 150 watts x 2 chan.
    • Bridged, 4 ohms: 150 watts x 2 chan.
    • Bridged, 3 ohms: 150 watts x 2 chan.
  • Subwoofer Channel RMS Power Rating (11V-14.5V):
    • 4 ohms: 500 watts x 1 chan.
    • 3 ohms: 500 watts x 1 chan.
    • 2 ohms: 500 watts x 1 chan.
    • 1.5 ohms: 500 watts x 1 chan.
  • Total Continuous Power Rating: 900 watts
  • Single Cycle Control delivers reference-grade performance while requiring less current from the vehicle's electrical system
  • R.I.P.S (Regulated, Intelligent Power Supply) ensures consistent power delivery over a wide range of battery voltage and load impedances
    • Regulated means that the power supply adjusts its operation to maintain the rated power output and low distortion operation over range of vehicle voltages
    • Intelligent power supply is a circuit that monitors output current to perfect the amps output power over a range of load impedances. It detects the actual impedance and adjusts rail voltages for the best output
  • LED power indicators
  • Variable front crossover: 50 - 500Hz, selectable slope 12dB/octave
  • Variable rear crossover: 50 - 500Hz, selectable slope 12dB/octave
  • Differential-balanced inputs to effectively control noise and will allow you to connect most OEM units straight to the amplifier
  • Three sets of RCA Jack input, front, rear and subwoofer with a dedicated input sensitivity gain control for the channels
  • RealSink heat management with rollback protection removes heat from the amplifiers circuitry while the vertical heat
  • Infrasonic filter: Defeatable 24dB/octave at 30 Hz
  • Subsonic Filter (24 dB at 30 Hz)
  • Frequency response: 12 - 28,000Hz
  • Optional wired remote level control: JL Audio HD-RLC
  • Optional stacking equipment for HD amplifiers: JL Audio HD Stack Kit
  • Dimensions: 10-13/16"D x 8-7/8"W x 2H
  • 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 SonicElectronix.com warranty
Power Specifications - Full Range Channels
RMS Power @ 4 ohms 100 watts x 4 channels
RMS Power @ 2 ohms 75 watts x 4 channels
Bridged RMS Power 150 watts x 2 channels
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms 500 watts x 1 channels
RMS Power @ 2 ohms 500 watts x 1 channels
Amplifier Specifications
Amplifier Class D
Number of Channels 5
Total RMS Power Output 900 watts
Maximum Input Gauge Size 4 AWG
Minimum Impedance Unbridged 1.5 ohms
Minimum Impedance Bridged 3 ohms
THD at Rated RMS Power .03%
Speaker Level Inputs Yes
Preamp Outputs No
Built-in Crossover Low-pass (LP)
High-pass (HP)
High-Pass Crossover Frequency 50 - 500 Hz
Low-Pass Crossover Frequency 50 - 500 Hz
Subsonic Filter 30 Hz
Signal-to-Noise Ratio 108 dB
Bass Boost 0 - 15 dB
Bass/Gain Remote Optional (Accessory required and sold separately)
Fan Cooled No
CEA-2006 Compliant No
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Sonic Electronix
Customer Review Summary for JL Audio HD900/5
Average Customer Rating is 4.9 out of 5 stars:
  • 4.9
based on 16 Reviews
Share your thoughts with others:
Rating Distribution:
5 star:
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94%
4 star:
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6%
3 star:
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0%
2 star:
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0%
1 star:
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0%
what's this?
Average Attributes Rating:
Durability
  • 4.9
4.9
Value
  • 4.4
4.4
Features
  • 4.8
4.8
Design
  • 4.9
4.9
Usability
  • 4.9
4.9
what's this?
Most Helpful Customer Reviews:
June 21, 2011 Wow!
2 of 2 people found the following review helpful:
Review by
David from Weatherford, TX
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
This amp is just awesome.. Small and powerful and does not run hot. I have it running 2 Image Dynamics 10's and 4 Boston Acoustics 6". Never misses a beat!
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January 9, 2011 Great product
2 of 2 people found the following review helpful:
Review by
David from San Pedro, CA
Overall
  • 4.0
Durability
  • 4.0
Value
  • 4.0
Features
  • 4.0
Design
  • 4.0
Usability
  • 4.0
I purchased this JL Audio HD900/5 amp because it had the option to power four door speakers along with a sub woofer. It works great. I have it powering the four speakers in the doors and have the 5th channel powering the sub in the back.
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May 26, 2010 POWERHOUSE
2 of 2 people found the following review helpful:
Review by
Barry from Blanch, NC
Overall
  • 5.0
Durability
  • 5.0
Value
  • 4.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
I chose this five channel amp to save space in my Ranger Supercab truck. It powers four speakers in the doors and a JL Audio 10 inch W/6 sub and and it is smaller than most high school textbooks. This amp amazes me every time I crank up the volume. The sound is clean and there is just so much power it's hard to believe it all comes from this little amp. It has a hefty price, but if you want great sound without a big stack of amps, you should consider the JL HD900/5.
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February 2, 2010 JL Audio HD900/5 Review
2 of 2 people found the following review helpful:
Review by
Keyser from Portland, OR
Overall
  • 5.0
Durability
  • 4.0
Value
  • 3.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
I bought this unit and paired it with an Aline IVA-W505, Polk speakers and a JL W6 enclosed sub. The amp is absolutely clean way past reasonable listening levels. The highways in my area are horrible due to studded tires in the wintertime. This makes for a tremendous amount of road noise. The amp will drive the system cleanly past ALL road noise which is just incredible.



I highly recommend the product. When I sell my car the amp goes with me!
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October 31, 2009 Small and powerful
2 of 2 people found the following review helpful:
Review by
Philip from Ontario, OR
Overall
  • 5.0
Durability
  • 5.0
Value
  • 4.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
I cannot believe how powerful this amp is for its size. It is so compact it fits under my front seat without blocking the rear seat vents. The only thing I don't like it the lack of the Q, and the infrasonic dial has gone to a switch.
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View All 16 Reviews for JL Audio HD900/5
Amplifier Wiring Kits
Get the wires you need to properly install and power your car amp.
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Stacking Hardware & Strapping Accessories
Use this stacking hardware to mount multiple amplifiers together for a clean, professional installation. Maximize your output with these accessories to strap your amplifiers together.
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XIX2025 Strapping RCA XIX2025 Strapping RCA
0.25 Meter (0.86 ft) Hyper-Flex RCA cable w/ Serpentine-Cut Nickel Plated Connectors
$13.99
Speaker Wire
Improve the sound quality by delivering more power when replacing your factory wiring. High quality speaker will maximize your amplifier investment and system performance.
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NVX XWS1225 Speaker Wire NVX XWS1225 Speaker Wire
25 ft. of True 12 Gauge 100% Copper EnvyFlex Speaker Cable/Wire
$39.99
NVX XWS1250 Speaker Wire NVX XWS1250 Speaker Wire
50 ft. of True 12 Gauge 100% Copper EnvyFlex Speaker Cable/Wire
$29.99
Kicker XW1220 Speaker Wire Kicker XW1220 Speaker Wire
12 Gauge Wire - 20 ft. of Dual Twist Speaker Cable with Sleeves for a Clean Install
$39.95
StreetWires SCP1215BL - 12 AWG Speaker Wire StreetWires SCP1215BL - 12 AWG Speaker Wire
12 Gauge Wire - 15 ft. of Speaker Cable with Twisted Construction
$24.99
RCA Interconnects
You will need a good set of RCA interconnect cables to connect your amplifier to your head unit. Using high quality cables ensure the best sound possible by reducing unwanted noise interference, providing tight contacts, and utilizing the latest in cable technology.
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Stinger SI4617 4000 Series Interconnect Cable Stinger SI4617 4000 Series Interconnect Cable
17 ft. 6-Channel 4000 Series Audio Interconnect Cable
$41.99
Installation, Tools & Accessories
With our professional install card, you can have your amp installed by a pro near you, or you can purchase tools and do the install yourself.
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StreetWires FB4 StreetWires FB4
4 AWG / 4 Gauge Firewall Bushing
$7.99
StreetWires FB0 StreetWires FB0
1/0 Gauge Firewall Bushing
$4.99
Kicker DB1448 (09DB1448) - Top of the Line! Kicker DB1448 (09DB1448) - Top of the Line!
Distribution Block with Two 1/0 or 4 AWG Inputs and Four 4 or 8 AWG Outputs
$29.95
Professional Installation for your Car Power Amplifier Professional Installation for your Car Power Amplifier
Covers labor charges through our professional installer network.
$89.99
Testing and Performance
Optimize your system's performance with testing tools such as SPL meters, bass test discs and more!
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Scosche SPL Meter SPL1000F Scosche SPL Meter SPL1000F
Handheld boomSTICK measures your SPL range from 60 to 135 dB
$24.99
AutoSound 2000 CD-104 AutoSound 2000 CD-104
The ultimate amplifier level setting disc used for evaluation of audio components
$12.99
AutoSound 2000 CD-102 AutoSound 2000 CD-102
High Frequency Test CD specifically designed for the set-up and evaluation of sound system imaging and placement.
$12.99
AutoSound 2000 CD-103 AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.
$12.99
Main Product
  Product Price Add?
JL Audio HD900/5 JL Audio HD900/5 $899.95

Product Summary

Manufacturer: JL Audio
Model number: HD900/5
UPC: 699440982238
Weight: 9.00 lbs
Internal SKU: hd9005
Internal product ID: 20135