S68.6D 6-Channel DSP Amplifier – Wireless Hi-Res King
✅ 6 High-Level + USB/Optical/BT APTX HD：Lossless digital/analog hybrid inputs.
✅ CLASS D Dual Power Modes：40W×6@4Ω / 70W×6@2Ω, SPL-certified efficiency.
✅ Dual-Core DSP + APTX HD Bluetooth：
· 32-bit CS47048C+CS5343 chipset for studio-grade processing
· Wireless 24-bit/48kHz streaming via Bluetooth 5.0
✅ 31-Band EQ & AI Auto-Tuning：15ms smart calibration with 10 pro presets.
✅ USB Audio Direct + LED Remote：Bit-perfect playback from USB drives/PC/iPhone.
✅ Extreme -40℃~80℃ Operation：Military-grade protection for expedition vehicles.
Engineered For：Digital source enthusiasts, mobile recording studios, overland builds.
| Specification | S68.6D |
| Input | 6 Ch High Level/2 RCA/USB Audio/Optical/BT |
| Input Voltage(Max) | High Level4-10Vrms, RCA 0.5-2Vrms |
| Output | 6 High Level/8 RCA |
| Output Voltage (Max) | Amplifier output- 13Vrms, RCA -2Vrms |
| Output Gain | Power Amplifier : 26dB |
| Optical In | Yes |
| Coaxial In | NA |
| Amplfiier type | Class D |
| Power Output | 6x40W RMS @ 4 Ω , 6x70W@ 2 Ω |
| (AD & DA) Signal Convertion | CIRRUS LOGIC 32Bit DSP CS47048C-DQZR CS5343 |
| Sampling Rate | AD/DA Converter 24-bit/192kHz |
| EQ/Delay | 31Band EQ/ 15ms |
| Frequency Range | 20Hz- 20Khz |
| Q Value(Slope) | 0.5-9 |
| EQ Gain | -18.0dB +12.0dB |
| Filtering | Butter , Bessel, Link |
| Filtering Crossover point | 20Hz- 20Khz |
| Filter slope | 6dB/oct -48dB/Oct |
| Phase | 0-180 |
| Time Alignment (delay) | 15ms |
| Preset | 10 |
| Frequency Respone | 20-20kHz |
| Signal to Noise - RCA | 90dB |
| Signal to Noise - Power Amp | 90dB |
| Input Resistance | 20kΩ |
| Low level output Resistance | 680Ω |
| Static Current | 0.42A |
| Operating Voltage | 9-16V |
| Working Current Range | 0.5-17A |
| Temperature resistance | Yes |
| Bluetooth | Yes |
| Bluetooth Version | Built in APTX HD |
| USB Audio Built in | Yes |
| USB DISK | NA |
| Remote | LED/圆屏线控 |
| PC Connection | yes |
| PC Software | yes |
| Android App | yes |
| IOS app | Yes |
| Auto Tuning | Yes |
| REM Input | 3.5V |
| REM Output | 0.1A |
| Over heat protection | Yes |
| Over Load Protection | Yes |
| Working Indicators | Yes |
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