Logitech Z-5500 vs Z623 sound & bass test [2.1 stereo mode]

Logitech Z-5500 5.1 surround speakers vs Logitech Z623 2.1 Speaker System. Music bass & sound comparison test on 2.1 stereo mode. Both Logitech Computer Speakers have THX Certification. The Logitech Z5500 and The Logitech Z623 are Bestsellers in PC multimedia speakers category. I hope make someday Logitech z5500 vs z906 vs Z-2300 speakers sound & bass comparison test. Main features for the Logitech Z623: speaker system with subwoofer. Captivating THX Sound. 400 Watts Peak/200 Watts RMS power delivers amped audio from this 2.1 speaker system. Connect up to three compatible devices via the 3.5mm and RCA inputs. Easily access all controls on the right satellite speaker. Bluetooth Receiver speakers on Aliexpress: Bigger Logitech Z906 speakers on Amazon: Newer Logitech Z623 speakers on Amazon: Bluetooth Receiver on Amazon: Main features for the Logitech Z-5500: PC multimedia home theater THX Certified 5.1 Digital Surround speaker system. THX-certified. Built-in DecodersDTS 96/24, DTS decoder, Dolby Digital, Dolby Pro Logic II. Remote control. Each satellite driver measures 3”, with the subwoofer fitted with a 10” high-excursion ported driver. Logitech Z-5500 give impressive power 505 watts RMS output. Technical Specifications Logitech Z-5500 5.1 Speaker: - Configuration: active 5.1 speakers system - Total Power RMS/Max: 505 Watts/ 1010 Watts - Satellite RMS Power: 4x62w and 1x69w (@1kHz, @10% THD) - Subwoofer RMS Power: 188 watts RMS (@100Hz, @10% THD) - Speakers Drivers...