Hereâ€™s what they have to say about them:
Sonic Ultramizer SU9920
The Sonic Ultramizer SU9920 stereo sound enhancement processor is ideal for home recording studios, DJ systems, keyboard racks, web-casting plus 5.1 and hi-fi setups. It improves an existing systemâ€™s sound quality by enhancing definition and dimension of music. Low contour and process controls bring about better harmonic enhancement and phase compensation, giving you better sound enhancement. It also comes with accurate 5-segment LED level meters for optimum performance.
Sonic Exciter SX3040
The Sonic Exciter SX3040 stereo sound enhancement processor is great for providing increased clarity and punchy bottom end to a sound system. It improves the natural brightness through harmonic enhancement and adds density to the low frequencies through phase compensation.
Pricing and Availability:
Sonic Ultramizer SU9920 $99.99 USD
Sonic Exciter SX3040 $129.99 USD