SK-5747 Max power: 120watts Frequency response: 90-20K HZ SPL:89dB		SK-5738 Max power: 120watts Frequency response: 90-20K HZ SPL:89dB		SK-5739 Max power: 120watts Frequency response: 90-20K HZ SPL:89dB
SK-6747 Max power: 150watts Frequency response: 80-20K HZ SPL:90dB		SK-6738 Max power: 150watts Frequency response: 80-20K HZ SPL:90dB		SK-6739 Max power: 150watts Frequency response: 80-20K HZ SPL:90dB
SK-9747 Max power: 250watts Frequency response: 70-20K HZ SPL:90dB		SK-9738 Max power: 250watts Frequency response: 70-20K HZ SPL:90dB		SK-9759 Max power: 250watts Frequency response: 70-20K HZ SPL:90dB
SK-4831 Max power: 100watts Frequency response: 100-20K HZ SPL:89dB		SK-4921 Max power: 100watts Frequency response: 100-20K HZ SPL:89dB		SK-4923 Max power: 100watts Frequency response: 100-20K HZ SPL:89dB