Expert Electronics DSP4 Star X Precision Digital Signal Processor 4-Channel Bluetooth DSP with Voltmeter

The Expert Electronics DSP4 Precision digital signal processor offers comprehensive wireless audio control, built-in voltmeter diagnostics, and wireless audio streaming with link functionality to optimize custom car audio setups. Equipped with a built-in Bluetooth interface, it enables complete sound adjustment and system monitoring directly through a dedicated mobile app. Built into a heavy-duty aluminum chassis, it delivers precise sound staging, parametric equalization, channel delay alignment, and advanced system protection across 4 independent output channels.

Technical Specifications:

• Output Channels: 4 Independent Output Channels

• Inputs: 2 Digital Inputs

• Integrated Voltmeter: Built-in digital voltmeter for real-time monitoring

• Wireless Features: Bluetooth Audio Streaming with Wireless LINK and Bluetooth App Interface

• App Control Features: Channel Routing, Master Gain, Output Gain, RMS Limiter, Peak Limiter, Delay (Time Alignment), Input Equalizer, Output Equalizer, Polarity Inversion (Phase), 100% Configurable Memory Presets, Password Protection, Signal Generator

• Input Sensitivity: Adjustable input sensitivity and input gain control

• Channel Routing: Flexible channel routing system

• Input Equalization: 11-Band Graphic Input Equalizer

• Parametric Equalization: 1-Band Parametric Equalizer per channel

• Crossover Filters: Butterworth, Linkwitz-Riley, and Expert filter types with slope attenuations from 6dB/oct to 48dB/oct

• Delay & Alignment: Independent delay alignment per channel

• Limiter Controls: Configurable RMS Limiter (Threshold, Attack, Release) and Peak Limiter (Threshold adjustment)

• Audio Signal Generator: Integrated frequency generator and sweep function

• Remote Output: 300mA Remote Turn-On Output

• Security & Presets: User Password Protection and 3 Fully Configurable Memory Presets

• Audio Controls: Independent channel gain, channel mute, and polarity inversion (Phase)

• Chassis: Heavy-duty Aluminum Chassis

• Dimensions (LxWxH): 154 x 104 x 46 mm (6.06" x 4.09" x 1.81")

• Weight: 0.42 kg (0.93 lbs)