DS18 DSP4.8BTM — 4 In / 8 Out DSP with Bluetooth App Control Take full control of your sound system and transform raw power into clean, professional audio. The DS18 DSP4.8BTM gives you complete tuning authority over your entire setup—allowing you to shape your soundstage, fix imbalances, and extract maximum performance from every speaker. Why This Matters Most systems are loud… but not clean. Vocals aren’t centered Bass overpowers everything Highs are harsh or inconsistent Left/right staging feels off This isn’t a speaker problem—it’s a tuning problem. A DSP fixes that. Total System Control 4-channel input → 8-channel output Independently tune every speaker in your system Perfect for multi-amp setups, active builds, and pro audio systems This is where your system goes from “installed” → “dialed in” Precision Tuning (Real Control, Not Guesswork) Each output channel includes: 8-band parametric EQ (not basic EQ — real tuning) Time alignment (fix staging and imaging) Independent gain control per channel You’re not just adjusting sound—you’re engineering it. Advanced Crossovers Choose your filter type: Butterworth Linkwitz-Riley Bessel Dial in exact crossover points for: Subwoofers Mid-bass Vocals Tweeters This is how you eliminate overlap, distortion, and muddy sound. Bluetooth App Control (No Laptop Needed) Control everything from your phone: EQ adjustments Time alignment Crossover tuning Save presets (daily / demo / show mode) No guessing. No reconnecting wires. Real-time tuning. Key Features 4 Input Channels 8 Output Channels 8-Band Parametric EQ (per channel) Time Alignment Control Multiple Crossover Types Bluetooth App Control (iOS & Android) Preset Saving for Multiple Sound Profiles