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Single black rectangular active monitor speaker with 5.2 inch crimson woofer and 1 inch dome tweeter

Fostex

Fostex PX-5 5.2" 2-way Active Monitor Speaker, Single

SKU CH-ZC4G-YP842

A 5.2-inch active monitor speaker with 35W low-frequency and 18W high-frequency amplification, FIR filtering, and 44-step level control for precise studio monitoring

  • Accurate sound positioning from digital FIR filter network
  • Smooth high frequencies via 1-inch urethane film dome tweeter
  • Rigid bass response from 5.2-inch aramid fiber woofer
  • Precise level control with 44-step rotary encoder
  • Power saving with auto standby operation function

Fostex PX-5 5.2" Active Monitor

The Fostex PX-5 is a 5.2-inch two-way active monitor speaker designed for professional audio applications. It integrates a 35W low-frequency amplifier and an 18W high-frequency amplifier to drive its custom drivers. A digital FIR network filter provides accurate time alignment for precise sound positioning. The cabinet houses a Crimson aramid-fibre woofer and a 1-inch urethane-film dome tweeter.

Suited for critical listening and studio work

This speaker suits engineers and producers who need accurate monitoring with adjustable frequency response. The 44-step rotary encoder controls volume and trim, while HF level adjusts in 0.3dB steps and LF roll-off offers 20 steps. Auto standby saves power during inactive periods. Buyers needing multiple channels or different driver sizes should consider other configurations.

Simple desktop or stand placement

As a self-powered unit, the PX-5 requires only a mains connection and a line-level signal source. No external amplifier or passive crossover wiring is involved. The rotary encoder replaces traditional potentiometers to avoid wear-related noise. Ensure adequate ventilation around the rear panel and verify input sensitivity matches your interface output level.

Highlights

  • Accurate sound positioning from digital FIR filter network
  • Smooth high frequencies via 1-inch urethane film dome tweeter
  • Rigid bass response from 5.2-inch aramid fiber woofer
  • Precise level control with 44-step rotary encoder
  • Power saving with auto standby operation function

Specifications

No published specifications for this item yet.

Questions about this item

What source connections do I need to feed the Fostex PX-5 active monitor?

The speaker has a built-in 35 W low-frequency and 18 W high-frequency digital amplifier, so you only need a line-level audio source such as an interface, mixer or controller with XLR or TRS outputs.

Can I keep my older analogue mixer and still use the PX-5 without quality loss?

Yes — connect the mixer's balanced outputs to the speaker's inputs; the internal FIR digital crossover handles time alignment independently of the source device.

How do I verify the PX-5 is calibrated correctly after positioning it?

Use the rotary encoder to set the 44-step volume/trim, adjust the HF level in 0.3 dB steps up to ±3 dB and the LF roll-off across 20 steps; the LED ring confirms each setting visually.

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