JL Audio MV1000/5i 5 Channel 1000 Watt Class D Marine Amplifier with Integrated DSP
JL Audio MV1000/5i 5 Channel 1000 Watt Class D Marine Amplifier with Integrated DSP
Engineered to deliver reference-grade audio performance in marine environments, every MVi amplifier unites our cutting-edge NexD2™ switching amplifier technology with an integrated, full-featured digital signal processor.
Equipped with our second-generation NexD2™ technology, the MV1000/5i is capable of powering a complete marine audio system. It can drive four main speakers with 75 W x 4 @ 4 ohms, while also powering a subwoofer with up to 600W @ 2 ohms. Bridging the main channels transforms it into a very powerful, 3-channel system amplifier with up to 200W x 2 @ 4 ohms on the main channels and 600W @ 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 a ultra-compact, cast alloy design with marine-grade powder coat finish and corrosion-resistant hardware.
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), Speaker Output Harnesses (2), Subwoofer Output Harness, 6 ft A/B USB Cable
Technology
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 i
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