Description
DS18 DSP4.8BTM
The DS18 DSP4.8BTM is a professional-grade digital sound processor designed to give advanced tuning control for car audio systems with four inputs and eight outputs. It allows precise adjustment of crossovers, parametric equalizers, routing, time alignment (delay), gain control, and phase for each channel, enabling you to shape sound staging from subwoofers to tweeters with pinpoint accuracy. Featuring built-in Bluetooth connectivity, this processor lets you wirelessly control and fine-tune your system directly from a smartphone app (iOS & Android), including saving and recalling presets for different music styles or environments. The DSP4.8BTM also supports multiple crossover filter types (Butterworth, Linkwitz-Riley, Bessel), adjustable frequency cuts from 20 Hz to 20 kHz, and advanced limiter functions to protect your system. Compact, water-resistant, and easy to integrate with factory or aftermarket head units, this DSP is ideal for enthusiasts and installers seeking high-quality, multi-amplifier audio tuning.
Specifications
| Parameter | Specification |
|---|---|
| Routing Options | A / B / C / D / A+B / A+C / B+C |
| General Gain | −53 to 0 dB |
| Channel Gain | −33 to +9 dB |
| Cutoff Frequency | 20 Hz – 20 kHz |
| Types of Cuts | Linkwitz-Riley / Butterworth / Bessel |
| Attenuations | 6 / 12 / 18 / 24 / 36 / 48 dB/Oct |
| Polarity Inversion (Phase) | 0° or 180° |
| Memories | 3 (100% configurable) |
| Power Supply Voltage (DC) | 10 – 15 VDC |
| Maximum Consumption | 300 mA |
Input Equalization (Global)
| Parameter | Specification |
|---|---|
| Equalization Bands | 15 Bands |
| Gain | −12 to +12 dB |
Channel Equalizer (EQ per Channel)
| Parameter | Specification |
|---|---|
| Equalization Bands | 8 Parametric Bands per Channel |
| Gain | −12 to +12 dB |
| Q Factor | 0.6 – 9.9 |
Time Alignment (Delay) & Limiter
| Parameter | Specification |
|---|---|
| Time Delay | 0 – 18.95 ms |
| Distance | 0 – 6500 mm |
| Limiter Threshold | −54 to +6 dB |
| Attack Time | 1 – 200 ms |
| Release Time | 1 – 988 ms |
Input / Output (A / B / C / D)
| Parameter | Specification |
|---|---|
| Input Channels | 4 |
| Input Type | Electronically Symmetrical |
| Input Connectors | RCA |
| Max Input Level | 4.00 Vrms (+14 dBu) |
| Input Impedance | 100 kΩ |
| Output Channels | 8 |
| Output Type | Electronically Symmetrical |
| Output Connectors | RCA |
| Max Output Level | 3.50 Vrms (+13 dBu) |
| Output Impedance | 100 Ω |
DSP Specifications
| Parameter | Specification |
|---|---|
| Frequency Response | 10 Hz – 24 kHz (−1 dB) |
| THD + N | < 0.01% |
| Signal Latency | < 0.6 ms |
| Bit Rate | 32 Bits |
| Sampling Frequency | 96 kHz |
Dimensions & Shipping Information
| Item | Specification |
|---|---|
| Unit Dimensions (L × D × H) | 5.6 × 4.25 × 1.6 in |
| Unit Weight | 277 g / 9.7 oz |
| Single Box Dimensions (L × W × H) | 6.25 × 4.75 × 2.25 in |
| Single Box Weight | 1 lb |
| Master Carton Dimensions (L × W × H) | 21.25 × 13.75 × 11 in |
| Master Carton Weight | 30 lb |
| Master Carton Quantity | 36 pcs |
Product Overview
4-Channel In / 8-Channel Out Digital Sound Processor with Bluetooth and App Control
DS18’s DSP4.8BTM is the ultimate audio customization tool: with four input channels, powerful filtration tools, and app-driven signal tuning, you have everything you need to build your perfect soundstage.
Total Audio Control
The DSP4.8BTM gives you fine-grain control over your entire system—from sub to tweeter. Four input channels feed eight fully customizable outputs, each with independent settings that can be sculpted for any setup.
Hear Every Detail
The DSP4.8BTM includes a 8-band independent parametric equalizer per output channel, so you can target specific frequencies with pinpoint accuracy.
Dynamic Crossovers
Activate your crossover then choose your filter—Butterworth, Linkwitz-Riley, or Bessel—and take full command of your frequency split points.
Bluetooth Control
The built-in Bluetooth interface keeps things wireless, streamlined, and easily accessible: offering direct access to an extensive list of filtration settings, so your system plays just the way you like it. Download the DS18 DSP App for iOS or Download the DS18 DSP App for Android and instantly adjust time alignment, EQ, crossover filters, and more directly from your phone—and save custom presets for genres, moods, or driving conditions.
Start building your perfect soundstage with DS18’s DSP4.8BTM.
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