Polk Audio SDA 2B (Real Wood)

Specs

3-way configuration,

closed box (passive radiator),

bass radiator Polk Audio SW121 300mm, rubber surround,

polymer cone midwoofer Polk Audio MW 6503 165mm, SDA dimensional driver, rubber surround,

polymer cone midwoofer Polk Audio MW 6511 165mm, stereo driver, rubber surround,

dome tweeter Polk Audio SL 2000 25mm, silver coil,

Stereo Dimensional Array,

30-350W@6Ω,

16-20000Hz ±? dB,

38-20000Hz -3 dB,

sens. 90 dB,

mm 420x1005x290, kg 36,3.

Polk Audio Monitor 4A

Specs

2-way configuration,

bass reflex via front-firing plastic port,

tri-laminate polymer cone midwoofer Polk Audio MW 6502 165mm,

die cast frame, rubber surround,

dome tweeter Polk Audio K01870626-1 25mm,

20-100W@6Ω,

55-20000Hz ±3 dB,

sens. 91 dB,

mm 216x360x215, kg 7,2.

Polk Audio Monitor 4 Series 2

Specs

2-way configuration,

bass reflex via front-firing plastic port,

tri-laminate polymer cone midwoofer Polk Audio MW 6502 165mm,

die cast frame, rubber surround,

tweeter Polk Audio SL 1500 25mm,

20-100W@8Ω,

35-25000Hz ±3 dB,

sens. 88 dB,

mm 216x362x190, kg 5,4.

Polk Audio LSi7

Specs

2-way configuration,

bass reflex via front/rear-firing 26mm/52mm ports,

PP cone midwoofer Polk Audio MW5534 130mm, die cast frame, rubber surround,

ring radiator tweeter Vifa XT25 25mm, dual concentric diaphragm, wave guide plug,

Polk Audio powerPORT,

20-150W@4Ω,

53-26000Hz ±3 dB,

sens. 88 dB,

Formosa wiring,

mm 219x346x260, kg 9,0.

 

Polk Audio RT15i

Specs
2-way configuration,
bass reflex via front/rear-firing ports,
midwoofer Polk Audio MW5530 133mm, metallic basket, rubber surround,
dome tweeter Polk Audio SL1902 19mm,
Polk Audio powerPORT,
20-100W@8Ω,
55-24000Hz, -3 dB@63Hz,
sens. 89 dB,
mm 169x283x216, kg 4,3.