$1,099.99
Availability: 2 In Stock

5-Channel Class D System Amplifier with Integrated DSP, 75 W x 4 @ 4 Ω + 300 W x 1 @ 2 Ω - 14.4V

Designed to simplify great audio, every VXi amplifier combines our advanced NexD2™ switching amplifier technology with an integrated, full-featured digital signal processor.

Employing our second generation NexD2™ amplifier technology, the VX700/5i efficiently powers a complete audio system. It can drive four main speakers with 75 W x 4 @ 4 ohms while also powering a subwoofer with up to 300W @ 2 ohms. Bridging the main channels converts it into a very powerful, 3-channel system amplifier with up to 200W x 2 @ 4 ohms on the main channels and 300W @ 2 ohms on the subwoofer channel.

The NexD2™ full-range technology in the main channels of this amplifier is DSP-controlled and features a reduced loop area design utilizing DirectFET™ outputs for outstanding fidelity, very low noise and exceptional efficiency. The subwoofer channel features an optimized low-frequency variant of the NexD2™ technology. The amplifier chassis is ultra-compact, with all connections on one side, to greatly simplify installation into tight spaces.

Instead of traditional control knobs and switches, all amplifier adjustments and DSP functionality are configured via a compatible external device (PC, Tablet or Smartphone), with the appropriate JL Audio TüN™ Software application installed.

Amplifier includes: Power Connector (for 4 AWG wire), Analog Input/Pre-Out Harness, Speaker Output Harness, Subwoofer Output Harness, 6 ft A/B USB Cable

Rated Continuous (RMS) Power @ 14.4 V
Main Channels @ 4 Ω 75 W RMS x 4
Main Channels @ 2 Ω 100 W RMS x 4
Main Channels - Bridged @ 4Ω 200 W RMS x 2
Subwoofer Channel @ 4 Ω 180 W RMS x 1
Subwoofer Channel @ 3 Ω 240 W RMS x 1
Subwoofer Channel @ 2 Ω 300 W RMS x 1
Subwoofer Channel @ 1.5 Ω N/A
Rated Continuous (RMS) Power @ 12.5 V
Main Channels @ 4 Ω 60 W RMS x 4
Main Channels @ 2 Ω 90 W RMS x 4
Main Channels - Bridged @ 4Ω 180 W RMS x 2
Subwoofer Channel @ 4 Ω 180 W RMS x 1
Subwoofer Channel @ 3 Ω 240 W RMS x 1
Subwoofer Channel @ 2 Ω 300 W RMS x 1
Subwoofer Channel @ 1.5 Ω N/A
General Specifications
Frequency Response (Main Channels) 12 Hz - 24 kHz (+0, -1dB)
Frequency Response (Subwoofer Channel) 12 Hz - 1 kHz (+0, -1dB)
S/N Ratio, referred to highest rated power (Analog Inputs - Main Channels) 99 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to highest rated power (Analog Inputs - Subwoofer Channel) 99 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W (Analog Inputs - Main Channels) 80 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W (Analog Inputs - Subwoofer Channel) 72 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to highest rated power (Digital Inputs - Main Channels) 101 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to highest rated power (Digital Inputs - Subwoofer Channel) 102 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W (Digital Inputs - Main Channels) 82 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W (Digital Inputs - Subwoofer Channel) 80 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Damping Factor @ 4 Ω >150 / 50 Hz
Damping Factor @ 2 Ω >50 / 50 Hz
THD+N @ Rated Power (Main Channels) <1% @ 2 Ω per Ch.
THD+N @ Rated Power (Subwoofer Channels) <1% @ 2 Ω per Ch.
Input Voltage Range @ RCA Inputs 200 mV - 16 V RMS
Min.Copper Power / Ground Wire Gauge 4 AWG wire
Fuse Rating 60 A (AFS, AGU or MaxiFuse™)
Physical Specifications VX700_5i_Dimensions.svg
Height (H) 2.12 in / 54 mm
Width (W) 9.81 in / 250 mm
Depth (D) 6.62 in / 168 mm
Net Weight 5.6 lb / 2.54 kg

NexD2™ Switching Technology

Summary:
JL Audio's NexD2™ amplifier technologies are a next-level approach to improving what is already an outstanding Class D design platform. Employing new components and more advanced circuit layouts, fidelity and efficiency have been significantly enhanced.

Detailed Information:
NexD2™ switching technologies are an evolution of our renowned NexD™ Class D technology, with significant improvements in fidelity, efficiency and radiated noise performance.

NexD2™ employs a new generation of power supply and output devices, which are incredibly compact and surface-mountable. These Infineon® DirectFETTM devices feature the latest MOSFET silicon technology, the smaller package reduces parasitic capacitance and inductance thus improving current carrying capability and efficiency, encased in a metal enclosure to optimize heat dissipation. They also minimize radiated noise.

In addition to the new silicon, NexD2™ benefits from advancements in the area of circuit layout. Our "minimum loop area" design approach places capacitors closely coupled to each output section, and the amplifier circuits have been engineered to minimize the length of ground return paths. This approach reduces interaction between the audio channels, to improve separation and reduce distortion and radiated noise.

In the multi-channel VXi amplifiers, we have also leveraged the power of the on-board DSP to synchronize all channels via the DSP's master clock. This eliminates undesirable interactions between channels that are caused by variations in switching frequency.

The resulting NexD2™ amplifiers are incredibly compact and efficient, while delivering a level of fidelity that will satisfy the most demanding listener.

 

Advanced Rollback Protection

Summary:
JL Audio's exclusive Advanced Rollback Protection circuit monitors the amplifier's thermal condition and adjusts amplifier operation to eliminate annoying amplifier shut-down events.

Detailed Information:
Should a JL Audio amplifier equipped with Advanced Rollback Protection reach an unsafe operating temperature, a special circuit rolls back peak power output, without changing gain, until the amplifier cools down to a safe operating temperature. The condition is generally indicated by a red “Thermal” or “Status” LED state. On VXI amplifiers, the LED ring will flash red. Once the amplifier cools down, the circuit restores full peak power output and the indicator reverts to its normal state. The operation of Advanced Rollback Protection is inaudible in most cases, but it ensures that your music keeps on playing, even under the most demanding conditions.

Differential-Balanced Inputs

Summary:
JL Audio’s Differential-Balanced Inputs are engineered to combat induced cable noise, which is a common problem in car and marine audio installations. This technology allows for the use of conventional RCA cables, while delivering many of the benefits of a true balanced connection and accepting a wide range of input signal levels.

Detailed Information:
Today’s vehicles are equipped with sophisticated electronics capable of generating noise and interference that can intrude into the audio path, ruining the listening experience.

Most audio equipment uses single-ended, ground-referenced RCA jacks to receive audio signals. This means that the RCA shield is connected directly to signal ground. This is a simple, cost effective input design that works well for short runs in noise free environments. In noisier environments, this method cannot reject the common mode noise that could be on both RCA conductors (shield and center conductor).

By having more than one chassis-grounded RCA shield on a device, single-ended input designs are also more susceptible to ground loops. If noise is present on both conductors while the shield is connected to ground, the input amplifier will amplify the noise relative to the grounded RCA shield. When there are multiple RCA connections or any other conductors subjected to a magnetic field, this will cause a difference in potential across the RCA loop to be amplified at the grounded RCA as noise (a classic ground loop).

JL Audio’s Differential-Balanced Input circuits measure the center pin of the RCA connection relative to the RCA shield, even when the shield is not connected to ground, and even when the voltages at both conductors are moving relative to ground. Because both the center conductor and the shield see high impedance to ground at the input, a ground loop cannot be formed, as there is no current flow to induce a voltage as noise. This works equally well with differential-balanced, or unbalanced signal sources, making this input architecture compatible with all standard car and marine audio equipment, using standard, unshielded, twisted-pair RCA cables. No special cables are required, unlike the fully balanced connections used in professional audio.

Another benefit of the Differential-Balanced Input design is that it easily accepts low-level and high-level signals from a variety of factory head unit outputs and amplifiers, including single ended “ground referenced” sources, as well as Balanced or Unbalanced “Bridged or BTL” sources. This eliminates the need for Line Output Converters (LOCs) in most installation scenarios.

The obvious question is: “Why don’t all car audio amplifiers use Differential-Balanced Inputs?” The answer is simple: it costs more. Executing a proper differential-balanced input section requires more components and better quality components than a basic single-ended design, so you generally won’t find them on less expensive amplifiers.

JLid™

Summary:
JLid™ is JL Audio's protocol for digital controllers and for communication of settings between devices (not for audio signals).

Detailed Information:
JLid™ offers two-way communication for a range of accessories, including the following:

    Wired System Controllers: DRC-100, DRC-200, DRC-205
    Bluetooth® Communicator: VXi-BTC
    Networking Accessory: VXi-HUB

JL Audio FiX™ and TwK™ processors each feature one “JLid™ Port”, designed for connection of a wired controller.
    
JL Audio VXi amplifiers offer powerful networking capabilities via JLid™, to deliver single-point control of multiple amplifiers in a system. This allows the user to adjust levels (Volume, Fader, Balance, Zone Level) and to select from multiple DSP presets, across an entire group of networked amplifiers. JL Audio VXi amplifiers each feature separate “JLid™ Control” and “JLid™ Comm” ports. Please refer to the VXi product manual and our Help Center for details.

JLid™ connections are made via standard CAT-5e cables.

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    Return Policy

    Our policy lasts 30 days. If 30 days or less have gone by since your purchase, we are happy to issue a refund or exchange.

    To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

     

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    Any item not in its original condition, is damaged or missing parts for reasons not due to our error

    Any item that is returned more than 30 days after delivery

     

    Refunds (if applicable):

    Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.

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    If you’ve done all of this and you still have not received your refund yet, please contact us at social@freemanscarstereo.com.

     

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    Exchanges (if applicable)

    We only replace items if they are defective or damaged.  If you need to exchange it for the same item, send us an email at social@freemanscarstereo.com and send your item to: 19010 Statesville Rd Cornelius North Carolina US 28031.

     

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    If the item was marked as a gift when purchased and shipped directly to you, you’ll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you.

     

    If the item wasn’t marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and he will find out about your return.

     

    Shipping

    To return your product, you should mail your product to: 19010 Statesville Rd Cornelius North Carolina US 28031

     

    You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

    To reach customer service please email info@freemanscarstereo.com

     

    Depending on where you live, the time it may take for your exchanged product to reach you, may vary.

     

    If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.