CrBoke CR988 Review: Hi‑End Class A KT88 x4 Push‑Pull Tube Amplifier with LDAC Bluetooth, Balanced XLR & Active Subwoofer Output Introduction The CrBoke CR988 is positioned as a high‑end tube power amplifier aimed at serious music listeners and home theater enthusiasts who want tube warmth combined with modern connectivity. Manufactured by CrBoke, the CR988 is…