Subtotal: $13,000.00
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THD < 0.01%THD
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Signal to Noise Ratio > 110dB
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Stereo Separation 90dB
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Crossover Slopes 12dB
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Preamp Output 9.5V RMS / 14V Peak
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Dimensions in mm: 119(W) x 39(H) x 102(L) Overall: 119(W) x 39(H) x 127(L)
Subtotal: $13,000.00
Zapco crossovers are designed to provide the very best possible sound quality, and the versatility needed for the most advanced sound systems.
THD < 0.01%THD
Signal to Noise Ratio > 110dB
Stereo Separation 90dB
Crossover Slopes 12dB
Preamp Output 9.5V RMS / 14V Peak
Dimensions in mm: 119(W) x 39(H) x 102(L) Overall: 119(W) x 39(H) x 127(L)
Despite its compact size, the bit One is equipped with a powerful 266 MHz / 32 bit floating point DSP microprocessor, working in real time on all the functions of the most complete systems. Managed and configured by a simple and intuitive computer software, it is possible to make adjustments to improve the signal through each phase of its path; from input to output.
Small in size, huge in sound!
High tech in compact dimensions – despite its size, the HELIX DSP MINI is crammed with state-of-the-art technology. A 64 Bit Audio DSP of the latest generation in combination with a sampling rate of 96 kHz and a High Resolution audio bandwidth up to more than 40 kHz provides phenomenal sound quality. In addition, the DSP MINI offers unique DSP sound features like the ”Augmented Bass Processing”, the “StageXpander” or the “RealCenter“ function which open new possibilities to tweak your audio system.
But not only in terms of sound quality the DSP MINI heralds a new era in signal processor technology. An extraordinary powerful 32 Bit CoProcessor (ACO) for all monitoring tasks provides a decisive speed increase particularly in data communication with our DSP PC-Tool software, but also when switching between different sound setups. Furthermore, it supplies 10 internal memory locations for sound setups instead of the usual two.
As if that weren’t enough – the highlevel input with ADEP.3 circuit (Advanced Diagnostics Error Protection, 3rd Generation), the Auto Remote switch, an optical input as well as the HELIX Extension Card slot (HEC slot) for system add-ons like Bluetooth® Audio Streaming or High Resolution Audio Streaming via USB are, of course, part of the basic equipment.
The DSP MINI presents itself in the HELIX-typical, clean look – far too beautiful to hide it “somewhere” in the vehicle due to its small dimensions. Naturally, the HELIX DSP MINI can be configured as easy as usual thanks to the professional and particularly user-friendly DSP PC-Tool Software V4. Who said that size matters?
AP5.9 bit amplifier is ideal to realize a two way front full active plus subwoofer system using the fifth mono channel with 270 W @ 2 Ω. The built-in processor with 9 output channels, that this amplifier shares with the AP8.9 bit, provides the ability to assign the pre-outs to the AP4 D amplifier, creating a very powerful system in a small space thanks to the optional stacking system.
Zapco crossovers are designed to provide the very best possible sound quality, and the versatility needed for the most advanced sound systems.
The Zapco ASP-X4 is definitely the “Mac Daddy” of Analog Electronic Crossovers.






