The compressor was placed in Classic setting, to emulate the LA-2A leveling amplifier, and the Warmth button used to add harmonics. "Oxford Dynamics" was used for the bass in a different setting. Goldstein passed the final mix through the "Oxford EQ" and "Inflator" plug-ins. Pro Tools software was used to print the aux track into a 44.1kHz/24-bit CD and then into a 24-bit CD master. After the sessions for "Irreplaceable" ended, Hermansen said that "everyone felt they had captured something special and that Beyoncé had done the track justice", but there were still concerns that urban radio might not play the song as it featured acoustic guitars and had more of a pop appeal. "But then it became the biggest urban record ... ever," said.