The digital active speaker solution integrates amplification, DSP and power management on one PCBA: Class-D output with efficiency above 85 percent, DSP handling two-way crossover, EQ voicing and dynamic limiting to protect drivers; Bluetooth, USB Audio, AUX and optical inputs; encoder plus IR remote control carried over from our mass-production amplifier board. Power ratings (2x30W / 2x50W and more), interface combos and styling are defined per product - bring us your requirements for evaluation.
Core Specifications
| Model | LW-DAS-ClassD |
| Amplifier | Class-D, efficiency ≥85% |
| Output power | 2x30W / 2x50W optional (defined by PSU and thermal) |
| Channels | Stereo 2.0 / 2.1 optional |
| Inputs | Bluetooth 5.3 A2DP + USB Audio + AUX + optical |
| DSP | Two-way crossover + multi-band EQ + DRC limiting |
| Sound modes | Music / Movie / Voice / custom EQ |
| Controls | Rotary encoder + IR remote + buttons |
| Display | LED / digit tube optional |
| Power management | Wide input, standby <0.5W, OCP/OTP/OVP |
| Speaker match | 4-8Ω full-range + tweeter combos |
| Operating temperature | -10°C to +60°C |
| Certification | CE / FCC / RoHS compliant |
Key Highlights
- Single-board integration：Amplifier + DSP + power management on one PCBA: simple structure, low cost, high consistency
- Class-D efficiency：85 percent or better - less heat and smaller power budget than Class-AB at equal power
- DSP crossover and protection：Digital crossover keeps phase consistent; DRC limiting prevents clipping damage at high volume
- Multi-input ready：Bluetooth/USB/AUX/optical cover TV, PC, mobile and set-top boxes
- Proven platform：From a mass-produced amplifier board - redefine power and interfaces, short development cycle
Applications
- Desktop and bookshelf active speakers
- TV soundbars
- Bluetooth multimedia speakers
- Karaoke speakers (mic reverb chain optional)
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