Amplifier Car Subwoofer

Make a Powerful Sound StatementPanasonic's line of power amps expands even further to include digital technology. High efficiency is a key requirement for amplifiers, particularly when it comes to driving a powerful subwoofer over long periods using the car's battery power. Compared to the 45% to 55% efficiency of a conventional analog amp, a "digital" amp can attain over 70% to 80% efficiency by converting the input signal to a pulse signal and operating its output stage in "class D" or switching mode. Maximum output power is an impressive 1100W to provide effortless subwoofer drive, thanks to high efficiency with low heat generation and reduced load on the car battery.Low-Pass Filter for SubwooferAmps with a built-in low-pass filter simplify upgrading to a subwoofer system. You can adjust the cutoff frequency continuously from 50Hz to 250Hz for optimum matching between the subwoofer's range and that covered by your other speakers.Line-Out Jacks for ExpansionWhen configuring a sophisticated car audio system, line-out jacks make all of the difference. They let you easily connect multiple amps, while keeping the wiring neat for an attractive appearance."Intelligent" Bass Servo CircuitIn comparison with the midrange and tweeter units, the woofer has a relatively higher moving mass, heavier voice coil and larger inductance, so it needs more current to start moving. This causes the bass to lag behind the mid and high frequencies, resulting in unnatural tonal coloration. Furthermore, because of its longer throw, the woofer's voice coil has a greater tendency to deviate from pistonic motion, resulting in non-linear dynamic distortion. To overcome these woofer shortcomings, our "intelligent" bass servo drive circuit can feed very high current at the moment of start-up and instantaneously detect and correct the state of voice coil movement to maintain pistonic motion and avoid non-linearity. The result is bass that is more coherent with the rest of the frequency spectrum, achieving greater fidelity to the original sound.Digital Technology Power Output (maximum) 1100W Power Output (at 4O and = 1% THD+N) 350W x 1 Signal to Noise Ratio (1W into 4O) 85dBA THD (1kHz) 0.02% Frequency Response (Â±1.0dB) 10Hz - 30kHz Crossover Frequencies 50Hz - 250Hz Bass Boost 0dB - 15dB Input Level Adjustment 200mV - 6V Speaker Impedance 4O Current Consumption 24A (350W x 1, 4O) Line-Out Jacks Gold-plated RCA Connectors Gold Plated Speaker Terminals Speaker Level Input Servo Drive Circuit, for PWM DC-DC converter Thermal shutdown protection circuit Indication LED Illumination Blue Dimensions (H x W x D) 2 7/16"'' x 11 15/16"'' x 11"''

BassLink Self-Amplified Subwoofer SystemInfinity, the inventor of servo-controlled subwoofer systems, has adapted the technology developed for the finest home-audio loudspeakers to create BassLink, a groundbreaking automotive powered subwoofer. BassLink sets a new standard for in-vehicle bass reproduction.Four low-level inputs provide non-fading bass. Four high-level inputs also provide non-fading bass and the ability to easily interface BassLink with most factory sound systems.BassLink can be mounted vertically or horizontally thanks to its unique mounting system. Basslink provides user-adjustable input sensitivity, crossover frequency and bass-boost, allowing BassLink's performance to be optimized for any installation.BassLink features a 200W Class D subwoofer amplifier that provides all the horsepower needed to drive the 10" subwoofer/10" passive radiator combination.Designed to deliver low frequencies in virtually any car audio system, BassLink truly has universal appeal. Small in size but big in output, BassLink requires a mere .75 cubic feet of trunk space yet produces enough bass to wake up the neighborhood. More about BassLinkBassLink consists of a 10-inch subwoofer, 10-inch passive radiator and a 200-watt Class D amplifier housed in a rigid polymer enclosure, all carefully engineered to work together as a unique, integrated system. The extremely versatile BassLink accepts both speaker- and line-level inputs, and it provides an internal low-pass filter, proprietary signal processing and abundant amplification.The BassLink system features a servo-control circuit that continually monitors the voice coilâ€™s position in the magnetic gap and prevents the distortion that occurs when a conventional woofer is overdriven. By integrating cone-excursion information with the instantaneous demands of the music, BassLink can extract loud and deep bass from an enclosure smaller than any before.BassLink includes a fixed, 2nd-order, high-pass filter that eliminates the possibility of over-excursion below Fb, the resonant (tuned) frequency of the vented box. This allows the excursion-monitoring circuit to focus on the excursion at the more meaningful frequencies at and above Fb. The result is a significant increase in bass output.User-adjustable controls allow listeners to set the systemâ€™s response to achieve optimum performance based on the vehicleâ€™s cabin gain or transfer function. These controls include: a 0- or 180-degree phase switch; a continuously variable electronic low-pass filter that is adjustable between 70 and 100Hz; variable input sensitivity; and Bass EQ that provides for adjustments between +3 and â€“6dB. BassLinkâ€™s frequency response in a typical vehicle is 20 to 100Hz (Â±3dB), but this varies according to the vehicle and user adjustments. At maximum gain, the system can accept inputs as low as 250mV.BassLink can accept up to four channels of input â€“ to provide nonfading bass â€“ either from line-level signals through four RCA jacks or from high

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Thunder421D features a low pass crossover, variable from 40Hz to 200Hz, this amp also contains both the Thunder EQ RCA output Full range Made in India This high-quality item has been factory reconditioned. Car audio Most people using the term also refers more broadly to the extremes of installation of multiple over-sized speakers. A custom car audio installations: amp racks speaker pods subwoofer enclosures History The movement to add more than 130 decibels SPL (sound pressure level) within the cabin. Class A/B MOSFET power supply amplifier 5.1 channel: 5 x 75 watts + 1 x 400 watts RMS 2 OHM stable Regulated power supply amplifier 5.1 channel: 5 x 75 watts + 1 x 400 watts RMS 2 OHM stable Regulated power supply amplifier 5.1 channel: 5 x 75 watts + 1 x 400 watts RMS 2 OHM stable Regulated power supply Full MOSFET circuitry Double sided circuit board Air induction fan cooled Blue digital LED volt meter Clipping LED indicators LED illuminated edges and heat sinks On/Off switch for illumination Hi pass variable crossover for 1/2/3/4 channel: 30Hz to 500 Hz Band pass variable crossover for center channel: 30Hz to 500 Hz Band pass variable crossover for subwoofer channel: 45Hz, 0 ~+18dB Phase shift for subwoofer channel: 0 degree to 180 degrees Signal to noise ratio: 100dB .02-percent THD Soft start circuitry Remote subwoofer and center level control 40A x 2 fuses Measures 12.7 inches wide x 2.2 inches high x 23 inches deep This subwoofer amplifier features four line inputs to provide constant subwoofer fading from the home audio and professional markets were simply installed into vehicles, however, they were not well suited to the extremes of installation of multiple over-sized speakers. A custom car audio installation could mean anything from the home audio and professional markets were simply installed into vehicles, however, they were not well suited to the extremes of temperature and vibration which are a normal part of the radio to a car largely originated on the icon above for more information on quality factory-reconditioned merchandise. Thunder421D features a low pass variable crossover for center channel: 30Hz to 8kHz Low amplifier car subwoofer.