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Subwoofer Box
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bit Ten DSP | 4 input channels | 5 output channels | 24 bit / 48 kHz fixed point processing

bit Ten is a multi-function digital processor featuring analog input, capable of transforming ordinary OEM or after-market system into a high-performance system.Provided with a 32 bit, 147 MHz clock speed DSP as well as 24 bit A/D and D/A converters, bit Ten is controlled by a software especially developed for signal treatment according to the vehicle acoustic peculiarities. Setting the parameters of each input single channel, setting the delays according to the listening position, adjusting crossovers and equalizers for each of the 5 output channels; all of these operations can be managed by the PC.USS “ Universal Speakers SimulatorThanks to the integration of the USS technology, the bit Ten can also be connected to headunits featuring the speaker load detection circuit that would otherwise mute the audio signal output.During the installation phase, after converting the analog signal into digital, bit Ten automatically reconstructs a digital full-bandwidth stereo signal; de-equalizes the frequency response and, if necessary, reconstructs the central and subwoofer channels.The user can configure the output mode of each channel relative to the installed system.

Amplifier Tech Data

Nominal power supply voltage / Fuse 11 ÷ 15 VDC
Channels 5
Sample Rate 24 bit / 48 kHz
Hi Level Inputs 4
Low Level Inputs 4
Digital Inputs 0
Processing Method Fixed point
Idling current 0.4 A
Switched off without DRC MP 2.5 mA
Switched off with DRC MP 4 mA
Remote IN 7 ÷ 15 VDC (1.3 mA)
Remote OUT 12 VDC (130 mA)

Signal Stage

Distortion - THD @ 1 kHz, 1 VRMS Output 0.005 %
Bandwidth @ -3 dB 10 ÷ 22k Hz
S/N ratio @ A weighted, 4 V Output, 2 V MASTER input 96 dBA
S/N ratio @ A weighted, 4 V Output, OPTICAL IN1/IN2 input 95 dBA
Channel Separation @ 1 kHz 85 dB
Input sensitivity AUX 0.6 ÷ 5 V RMS
Input impedance Pre In 15 kΩ
Input impedance Speaker In / AUX 2,2 kΩ
Max Output Level 0.1% THD 4 V RMS

Input Stage

Low level (Pre) AUX IN
High Level (Speaker In) FL - FR - RL - RR - PHONE IN

Output Stage

Low level (Pre) FRONT L/R, REAR L/R, SUB


From / To Personal Computer 1 x USB / B (1.1/2.0)


Filter type Full / High Pass/ Low Pass/ Band Pass
Filter mode and slope Linkwitz @ 12/24 dB Butterworth @ 6/12/18/24 dB
Crossover Frequency 68 steps @ 20 ÷20k Hz
Phase control 0° ÷ 180°

Time Alignment

Distance 0 ÷ 510 cm / 0 ÷ 200.8 in.
Delay 0 ÷ 15 ms
Step 0,08 ms; 2,8 cm / 1.1 in.


The new Audison DRC MP (Digital Remote Control Multimedia Play) is compatible with all the Audison electronics featuring AC Link bus. Its slim profile along with the holder supplied with it eases the installation in the best position inside the car. Thanks to the new Joystick, Rubber Touch finished for best control of the movements along the four direction axes, the DRC Settings menu can be adjusted and navigation is also possible through the Navi Comm and function if the system features an Audison bit Play HD with video output connected to a monitor.
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DRC AB enables the main system control (volume, balance, fader and subwoofer volume, bass-boost) without the use of a PC. Thanks to this device, installed in an ergonomic position within the car dashboard, the user can: choose between the four DSP presets and select the source among master, auxiliary and the two optical digital inputs.
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It prevents the processor from shutting down when turning on vehicles featuring the start & stop system. When starting the engine, the vehicle battery voltage might decrease below 8 Volts value. If a signal processor (bit One, bit Ten) is installed in your system, especially with vehicles featuring the start & stop system, low supply voltage values might make the processor shut down. In order to avoid waiting for the processor to complete its turn-on cycle again, you can install the ES3 by connecting it in series to the processor power supply cables.
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bit Tune
bit Tune
The Audison bit Tune is a revolutionary system of automatic calibration for Audison bit processors developed with bit Drive technology. Bit Tune also includes a multitude of additional features for electro-acoustic verification and analysis of any car audio system.The Audison team s goal in developing the bit Tune was to speed up the setting of basic parameters for the calibration of the bit processors (time alignment, equalization, levels, etc.), ensuring an excellent level of acoustic performance. This phase also includes the diagnosis of comm on errors (channel inversion/phase, no signal on one channel/cable, etc.) to set the specialist free from his routine work and allow him to focus on the art of fine-tuning. Only personal interpretation and experience can achieve what a machine could never do: create Your Sound!
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Stereo passive mixer (unpowered) featuring 4 input channels and 2 output channels, designed for active OEM multi-way systems where each speaker is powered by one specific amplified channel. SPM4 mixes audio through 4 audio transformers specifically developed to achieve very low distortion and highly linear acoustic response. SPM4 provides the ability to mix the midrange/woofer and tweeter channels coming from the amplifier and supply one single mid-high channel. The Ch1(L/R) channels feature two inputs, one features an inverting input compared to Ch2 (L/R) channels; the mixing process often gives better results when one of the two channels undergoes a 180° dephasing. SPM4 is especially recomm ended to extend the number of inputs of the Audison digital processors or amplifiers with built-in DSP because they feature a De-equalizer (De-Eq). In that case, any possible non-linear acoustic emissions due to the mixing of the pre-existing filtered channels are duly compensated.
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RCA connector for effortless and fast connections between the head unit PRE OUTs (2 V min.) and bit Ten, bit Ten D Hi-Level inputs.
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It is a kit composed of a cable and an adapter allowing a 2 m / 78.74 in. Additional extension of the cable supplied with the DRC. This extension is required for installations on especially long vehicles such as SUV. Total length of the supplied cable with the extension is equal to 6,5 m / 225.90 in.
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