Part of PreSonus' Sceptre series, the PreSonus Sceptre S8 active coaxial monitors are bi-amplified with a full 180W of Class D power, along with a 32-bit dual-core processor, 8" woofer and 1" tweeter. Like the Eris series, the Sceptre S8 has acoustic shaping controls that give you the power to equalize your sound for any environment or application. The Sceptre S8 gives you a wider, more accurate soundstage with an impressive dynamic range.