| DSPA 406 Technical Specs | |
|---|---|
| DSP Chip | ADAU1701 |
| DAC Chip | ADAU1701 & PCM1754 |
| ADC Chip | ADAU1701 & PCM1808 |
| Opamp | MC33078 |
| Capacitors | High Temperature for High Reliability to 105°C electrolytics and WIMA film Caps |
| PC Connection | USB – B |
| Processing Functions | Crossover Frequency: 20Hz ~ 20kHz @ 1dB steps / Master Gain: 0 ~ 60dB / Channel gains: -20dB ~ +5dB Polarity: Phase Reversal 0 or 180 / EQ filters Q 0.5 ~ 15 @ 0.1 steps / Input Mixer Three Linking Functions: Volume Linking- Absolute or Relative EQ Linking – Relative or Absolute Crossover Linking – With EQ link on, Freq Link button will link crossovers |
| Output EQ | EQ bands: All Channels 31 @ ± 15dB in 0.1dB Steps Filter Functions: Peak / High Shelf / Low Shelf / 1st order All Pass/ 2nd Order All Pass |
| Crossover | Butterworth & Bessel: 6,12,18,24,30,36,42,48dB / Linkwitz: 12, 24, 36dB |
| Delay | 0 ~ 17ms / 0.02ms Steps |
| Inputs | 8 x Hi / 2 x RCA /1 x Opt / BT |
| XO Phase Rotation | Variable Phase shift at HP and LP filters from 0° ~ 359° |
| Input EQ | EQ bands: All Channels 5 bands @ ± 15dB in 0.1dB Steps Filter Functions: Peak / High Shelf / Low Shelf / 1st order All Pass/ 2nd Order All Pass Input Delay: 0 ~ 10ms in 0.02 Steps |
| Frequency Resp: | 20Hz ~ 40kHz |
| Operating Voltage | 10V ~ 16V |
| Input Sens (V) RCA | 2.3V Max |
| Input Sens (V) Hi | 10V |
| RCA Out Voltage | 6 x 4.5V |
| RCA Out Specs | THD+Noise 100dB |
| Amp Outputs | 50W x 4, Class AB |
| Dimensions (mm) | 180 x 130 x 41 |
| Start-Stop ready | Yes |
| EPS Error Protection System | Yes |
| Finish | Black anodized Aluminum |
| Auto Turn On via DC Offset or Signal Sensing | Yes |
| Remote Turn on Output | Yes |
| Built in Bluetooth | Yes |
| THD+Noise Amplifier | |
| S/N ratio Amplifier | |
| THD+Noise RCA out | |
| S/N ratio RCA out | |
| Fuse Rating | 10A |
| Input impedance: | 6 Ohms |
| Controller | Optional |
| Input Mixer | Yes |
| Presets | 8 |
| Software Interface | 64 bit Windows 8, Windows 8.1 or Windows 10, 11 |
| Navigation Mode | Yes |
| Power off Delay | Yes |
| Noise Gate (analog Input) | Yes |
| Automatic Switching Config. | Yes |
| Input EQ | Yes |
| Input All Pass Filters | Yes |
| Input Delay | Yes |
| Variable Phase 0~360 at crossover filters | Yes |
| Output EQ | 31 Bands |
| Hi-Shelf, Low-Shelf | Yes |
| Output All Pass filters | Yes |
| Output Delay | 0 ~ 17ms @ .02ms steps |
The DSPA 406 provides an accessible entry point for individuals keen on improving their car audio setup. It’s equipped with necessary features such as a 4 x 65W/4Ω integrated Class AB amplifier, ensuring decent sound output without overwhelming complexity. Its voltage build-up technology and a variety of inputs and outputs, including 4 high level and 4 AUX inputs, plus 6 RCA outputs, offer compatibility with most vehicle audio systems, allowing for a straightforward installation process.
On the software front, the DSPA 406 supports Bluetooth® 5.0 with audio codecs like aptX HD, AAC, and SBC, catering to basic wireless audio streaming needs. It comes with a 31-band EQ, adjustable crossover frequencies, and time alignment, providing users with the tools to customize their audio experience, albeit within the constraints of an entry-level device. The navigation mix feature ensures that driving aids like navigation prompts are given priority, enhancing safety. With its built-in Error Protection System (EPS), the DSPA 406 mitigates the risk of user errors, offering a forgiving learning curve for those new to audio customization.













