Versatile compatibility Designed to integrate seamlessly with various amplifier boards, enhancing both home and professional audio systems. Enhanced audio control The XRA901 Tone Board Preamp provides dedicated adjustments for treble, bass, and volume to finetune your audio output. Why you need it Precise tone shaping: tailor and low frequencies to suit your speakers, room, and listening preferences. Flexible integration: plug into existing amplifier layouts without major changes to your audio path. Improved control: manage volume and tonal balance in a compact, purposebuilt preamp stage. Key attributes Function: tone board preamp with dedicated controls for treble, bass, and volume Compatibility: designed to integrate with various amplifier boards Performance: enables precise, controllable adjustments to improve overall sound Practical use scenarios Home stereo upgrade: install in a compatible amp to achieve clearer highs and more balanced bass for a richer listening experience. Small studio or monitoring setup: use to finetune monitor outputs and achieve accurate frequency response in a compact footprint. DIY amplifier projects: incorporate into custom builds to add a dedicated tone shaping stage without redesigning the entire signal chain.