Denon AVR-X4800H AV Receiver Bluesound These woofers can be aligned

These woofers can be aligned as bass reflex or acoustic suspension depending on specfic tastes

I can be a serious 2 channel system with a subwoofer

All the sizes are on this page

85 kg PLATTER DIAMETER 300 mm TONEARM 9" Carbon / Aluminium EFFECTIVE LENGTH 230 mm OVERHANG 18 mm EFFECTIVE MASS 12

Denon AVR-X4800H AV Receiver Bluesound These woofers can be alignedPowerful 9 Channel Amplifier with the Latest Home Cinema Specs Featuring discrete high current amplifiers on all channels, the AVR X4800H delivers high power performance at 125W per channel (8 ohms, 20Hz 20kHz, THD: 0. 08%, 2 ch. driven) to ensure a powerful and precise entertainment experience, every time. The AVR X4800H features an advanced HDMI section with HDCP 2. 3 support, and video processing with 4K and 8K pass through and upscaling for HDMI