Stealth Acoustics Amplifier SA2400 MKII

High-Current Amplifier With DSP

The Stealth Acoustics SA2400MKII is a high-current two-channel amplifier with powerful built-in digital signal processing functions suitable as a low distortion power source for Stealth Acoustics speakers, Stealth subwoofers, or other un-powered speakers and subwoofers.

Each Channel Independently Programmable 

  • 11 bands fully-parametric EQ
  • Full limiter stage
  • Programmable high and low pass filters with selectable slopes
  • 100Ms delay
  • Built-in pink noise generator


Flexible Inputs with Pass Through

Phoenix connector speaker level inputs / outputs
RCA unbalanced line level inputs / outputs
XLR balanced line level inputs / outputs
Optical Digital input
(stereo TOS – routable, no pass through output)

Amplifier Output Connectors

5-way binding posts (each channel)


Front Panel LCD Display

Input level readout Programming /

parameter display Dimming function (3 levels)

USB Connection

For Computer programming of DSP features via SSMS software


Auto On / Standby Function

Switch selectable “On” or “Auto”

Fan Cooled

Automatic – 8 speed stages

Autosensing 115V-230V 50/60Hz Input Voltages

TypeTwo-Channel High-Current Amplifier with DSP optimization
Mono Power Output350 watts @8Ω < 0.05 THD_x000D_
460 watts @4Ω < 0.05 THD
Total Harmonic Distortion< 0.05 @ 460 watt @4Ω / 1 kHz
Signal to Noise Ratio>105 dB / A weighting 20Hz-20kHz
Low Pass FilterPre-defined EQ curves for Stealth Acoustics LineaResponse® speakers
High Pass FilterFixed high-pass filter @18Hz
System Impedance8Ω nominal, 4Ω minimum
Current Draw1080 watts @115V / 8 Ω (100Hz sine wave – both channels driven)
Width19” (482 mm) with ears
Height3-1/2” (89 mm) without feet
Depth15-3/4” (400 mm) without knobs
Weight38 lbs. (17.2 kg)