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DD Audio BSI-1
With DD Audio's BSI you can get MORE BASS from practically any equipment! The BSI includes a level control and a line converter!
Crossover filters. The device has an adjustable subsonic filter and a low-pass filter with a slope of 24dB/oct. If you want, you can adjust exactly where the bass frequencies are cut off, both at the top and bottom. With these, you can get a little more out of the bass in a reflex enclosure in the range that the enclosure reproduces and protect the element by cutting off sounds below the tuning frequency.
A level controller with many functions. In addition, there is a multifunctional level controller. So with this device you get the much-needed bass knob even for those large amplifiers that have not had one included (for example, SounDigital amplifiers). In addition to the level, you can also use the controller to adjust the intensity of the effect you have made AND set it ON/OFF. That is, in Finnish. You can make a freezing rebassed adjustment that will add MORE BASS to all music. And with the controller you can choose whether you want to use it or not if you sometimes feel like listening to music more normally. These two things alone make this device worth buying if you have a large terminal and no separate DSP to handle the adjustments.
Effect. And what is that adjustable effect? It's a parametric equalizer where you can choose the bandwidth, the amount of emphasis and the midrange. In other words, you can add more kick to the bass frequencies in a very narrow or very wide frequency range. Or something in between, as you wish.
Active line converter. The device also accepts a speaker-level signal into it, meaning it also works as an active line converter. The device automatically detects a speaker-level signal and wakes up. And also provides excitation to your amplifier if you so wish. Alternatively, the device can also be turned on with a separate excitation cable and it also takes the signal at line level if you have a retrofitted player.
Line amplifier. The device takes in signal levels between 0.5-40 V. This means that it can be connected to practically any player or OEM amplifier. And it outputs a signal level of up to 10 Volts. This means that with this device you can increase the line voltage provided by the basic player to completely different levels.
As is typical for DD, this device also has a clip light that lets you see when the signal is distorted.
Features:
Bass Signal Interface
2-channel active line converter
detects the signal and provides excitation to the amplifier
detects a current change and provides excitation to the amplifier
excitation current can also be used if available
Compatible with the car's original speaker recognition
input signal 0.5-40 Volts
line output voltage max 10 volts
parametric equalizer for bass frequencies
Multifunctional remote control included in the package
24 dB/oct subsonic filter 15-50 Hz
24 dB/oct low-pass filter 50 – 500 Hz (bypassable with jumper)
S/N: over 105 dB
frequency range 15 – 20,000 Hz
THD: 0.05%
bass effect (paraeq) center frequency: 30-80 Hz
bass effect (paraeq) adjustment range: 0-18 dB
bass effect ( paraeq ( bandwidth: narrow-wide ( Q value not specified )
Device dimensions: 155 x 88 x 27 mm
REMOTE CONTROL INCLUDED
Specifications:
Operating Voltage 10-16V
High-Level Input Impedance 180Ω
RCA Input Impedance 20KΩ
RCA Output Voltage 10V
High-Level Input S/N 106 dBA
RCA Input S/N 0.05%
High-Level Input THD 0.05%
High-Level Input Sensitivity 2-20V / 4-40V
RCA Input Sensitivity 0.5-5V / 1-10V
REM OUT Output Current 12V 500mA
Turn On 10V (REM), 1.3V (SPK/DC), 15mV (RCA)
Input Channels 2
Output Channels 2
Frequency Response 15-20kHZ
Low Pass Filter 50Hz-500Hz 24dB/Oct
Sub Sonic Filter 15-50Hz 24dB/Oct
Effect Boost Level 0-18dB
Frequency Effect Range 30-80Hz
Dimensions in (LxWxH) 6 x 3.4 x 1
Dimensions mm (LxWxH) 155 x 87.4 x 27.