Stetsom STX 2848 DSP Crossover & Equalizer – 8 Channel Full Digital Signal Processor with Sequencer 2.8

Stetsom STX 2848 DSP Crossover & Equalizer – 8 Channel Full Digital Signal Processor with Sequencer 2.8
Sold by AudioSellerz.com

The Stetsom STX 2848 is built for people who want real control over a multi-amp car audio system without making the setup harder to manage. This full digital signal processor gives you 2 input channels and 8 independent outputs, which makes it a strong fit for more serious builds where signal routing, tuning, and system protection all matter. Stetsom designed the STX 2848 to handle much more than basic crossover duty, with filters, graphic and parametric equalization, alignment, phase inversion, limiter control, audio generator functions, and sequencer capability all built into one processor.

One of the biggest strengths of the STX 2848 is how much flexibility it gives you in tuning. Stetsom includes a 15-band graphic equalizer with 12 preset EQ curves, plus 1 input parametric EQ and 1 parametric EQ per output with gain, frequency, and Q adjustment. That gives you enough control to do quick tuning or really fine-tune a serious system when you need more precision. The processor also lets you choose source A, source B, or A+B for each output, which is a big deal for more complex signal routing.

The crossover section is strong too. The STX 2848 allows variable crossover adjustment with both Butterworth and Linkwitz-Riley filter options at 12, 18, 24, 36, and 48 dB slopes. It also includes alignment up to 8 ms, phase inversion from 0 to 180 degrees, output gain control, and a limiter with dynamic attack and release behavior for better amplifier and speaker protection. In a real build, that means this processor can help clean up staging, tighten up output balance, and protect the system when things get pushed hard.

Stetsom also added useful real-world features that make this processor easier to live with. It has an LCD display with real-time adjustment, save and load memory functions with autosave plus 4 memory slots, password protection, editable text screensaver, multilingual support, configuration copy between output channels, a sequencer output, and built-in tone generation, frequency sweep, and pink noise for measurement and testing. If you are building a serious car audio setup and want one processor that gives you deep control without needing a pile of separate tools, the STX 2848 is the kind of unit worth building around.

Key Features

Type: Full digital signal processor with crossover, EQ, and sequencer functions.

Channels: 2 input / 8 output.

Display: LCD display with intuitive real-time adjustment interface.

Graphic Equalizer: 15 bands with gain ±12 dB.

Graphic EQ Presets: 12 presets.

Parametric Equalizer: 1 input + 1 per output with gain ±12 dB and Q factor 0.4 to 10.0.

Routing Between Input and Output: A, B, or A+B.

Crossover Filter Types: Butterworth and Linkwitz-Riley.

Crossover Slopes: 12 / 18 / 24 / 36 / 48 dB per octave.

Crossover Presets: 11.

Alignment: 0 to 8 ms (275 cm).

Phase Inversion: 0° to 180°.

Limiter: Threshold -24 to 0 dB, Attack 0.1 to 100.0 ms, Release 1 to 1600 ms, manual or automatic.

Master Level and Gain: 0 to 100 percent, gain -45 to +15 dB per output.

Memory: Autosave + 4 save/load slots.

Security: 4 digit password lock.

Audio Generator: 10 Hz to 22 kHz, level -60 to 0 dB.

Frequency Sweep: 10 Hz to 22 kHz with speed control.

Pink Noise Generator: 10 Hz to 22 kHz, level -60 to 0 dB.

Languages: English, Spanish, and Portuguese.

Latency: 1.08 ms.

Input Impedance: 10K ohms.

Output Impedance: 47 ohms.

Max Input and Output Voltage: 5.6 Vpp (+8.2 dBu).

Max Output Current Sequencer: 180 mA per output.

Signal to Noise Ratio: Greater than 90 dB.

Total Harmonic Distortion: Less than 0.01 percent.

Channel Separation: Greater than 80 dB.

Frequency Response: 10 Hz to 22.5 kHz at -1 dB.

Power Supply: 10V to 15V DC.

Max Current Consumption: 450 mA at 12.6V DC.

Dimensions: 200 x 101 x 37 mm.

Weight: 460 g.

Whether you are building a louder everyday system or putting together a serious multi-amp setup that needs cleaner signal routing, crossover control, and better tuning accuracy, the STX 2848 gives you the kind of DSP flexibility that helps the whole system work better together.

Download User Manual