top of page

Features and Functions

 

  • 4-Channel, Full Range, Class A/B

  • On-Board, Full Function, 8-ch. Digital Signal Processing

  • High-pass and low-pass filters, phase control, signal delay, and 15 channels of parametric equalization on each channel

  • Optical Digital Input

  • BT Streaming: Bluetooth Port for external APTX HD Module (optional)

  • Analog input gain controls

 

 

Specifications

 

  • Power @ 4Ω: 4 x 65 watts

  • THD @ Rated Power < 0.5% THD

  • Power @ 2Ω: 4 x 90 watts

  • Power Bridged @ 4Ω: 2 x 180 watts

  • Signal to Noise Ratio > 90dB

  • THD + Noise < 0.2%

  • Channel Separation  >60dB

  • Frequency Response 15Hz to 30KHz ±1dB

  • Dimensions in mm: 160(W) x 57(H) x 284(L) Overall: 160(W) x 57(H) x 309(L)

​

​

ST-4X DSP III   4 Ch. Class AB Amplifier with DSP

ST-4X DSP III
ST-4X DSP III
ST-4X DSP III
HD-BT II-D

HD-BT II-D

Bluetooth Module (optional)

 

The new Bluetooth Module is more than an accessory. It allows you to interact with the amplifier via your mobile phone for music streaming (with aptX HD quality) and use the APPs to do everything necessary for a complete setup and tune of the DSP.

To use the APPs it is necessary the new
HD-BT II-D module

The firmware update is required for the new DCP v.1.02 and to use the new HD-BT II-D module and APPs

Windows can require the above driver.
Download it first.

For products with serial number 22...
or blue color DSP module 

For product with serial number 21...
or red color DSP module 

bottom of page