FB Fiberglass

PHD Audiophile Sound Systems started with just one line of speakers in 1990 and this is the natural evolution of the first line that we ever manufactured
Designed to be the best, a milestone for the industry, this line has set the standard for performance and sound quality over the decades.the Fiberglass cone single layer for regular FB products and dual layer for FB PRO is the key element for the reproduction of the detailes together with a smooth

FB 4.1 Kit

Power Handling RMS/MAX

50/100 Watts

Sensitivity (SPL@1W)

89dB

Frequency Response

55Hz - 20Khz

Two Way Systems

FB 4.1 Kit

Two Way System with two 1.1 Tweeters, two crossovers and two FB 4.1 Mid/Basses 
1" Silk Dome Neodymium Tweeter
4" Fiberglass Cone Mid/Bass Driver with High-Tight Fiber Basket 
12dB Two Way Passive Crossover

FB 5.1 Kit

Power Handling RMS/MAX

60/120 Watts

Sensitivity (SPL@1W)

89dB

Frequency Response

45Hz - 20Khz

Two Way Systems

FB 5.1 Kit

Two Way System with two 1.1 Tweeters, two crossovers and two FB 5.1 Mid/Basses 
1" Silk Dome Neodymium Tweeter
5.25" Fiberglass Cone Mid/Bass Driver with High-Tight Fiber Basket 
12dB Two Way Passive Crossover 

FB 6.1 Kit

Power Handling RMS/MAX


70/140 Watts

Sensitivity (SPL@1W)

90dB

Frequency Response


40Hz - 20Khz

Two Way Systems

FB 6.1 Kit

Two Way System with two 1.1 Tweeters, two crossovers and two FB 6.1 Mid/Basses 
1" Silk Dome Neodymium Tweeter
6.5" Fiberglass Cone Mid/Bass Driver with High-Tight Fiber Basket 
12dB Two Way Passive Crossover 

FB 6.2 Kit

Power Handling RMS/MAX

80/160 Watts

Sensitivity (SPL@1W)

89dB

Frequency Response

40Hz - 20Khz

Three Way Systems

FB 6.2 Kit

Three Way System with two 1.1 Tweeters, two crossovers, two FB 2.5" WMT Full Range and two FB 6.1 Mid/Basses 
1" Silk Dome Neodymium Tweeter
2.5" Fiberglass Cone WMT Full Range Driver with High-Tight Fiber Basket 
6.5" Fiberglass Cone Mid/Bass Driver with High-Tight Fiber Basket 
12dB Two Way Passive Crossover 

FB 6.3 Kit

Power Handling RMS/MAX

80/160 Watts

Sensitivity (SPL@1W)

89dB

Frequency Response

40Hz - 20Khz

Three Way Systems

FB 6.3 Kit

Three Way System with two 1.1 Tweeters, two crossovers, two FB 3.1 Midranges and two FB 6.1 Mid/Basses
1" Silk Dome Neodymium Tweeter
3" Fiberglass Cone Midrange Driver with High-Tight Fiber Basket 
6.5" Fiberglass Cone Mid/Bass Driver with High-Tight Fiber Basket 
12dB Two Way Passive Crossover 

FB 5.1 PRO

Power Handling RMS/MAX

120/240 Watts

Sensitivity (SPL@1W)

89dB

Frequency Response


45Hz - 20Khz

FB PRO

FB 5.1 PRO

Kit Two Way System with two 1.1 Tweeters, two crossovers and two FB 5.1 PRO Mid/Basses 
1" Silk Dome Neodymium Tweeter
5.25" Fiberglass/Kevlar Dual Layer Cone Mid/Bass Driver with High-Tight Fiber Basket 
12dB Two Way Passive Crossover 

FB 6.1 PRO Kit

Power Handling RMS/MAX

120/240 Watts

Sensitivity (SPL@1W)

90dB

Frequency Response

40Hz - 20Khz

FB PRO

FB 6.1 PRO Kit

Two Way System with two 1.1 Tweeters, two crossovers and two FB 6.1 PRO Mid/Basses 
1" Silk Dome Neodymium Tweeter
6.5" Fiberglass/Kevlar Dual Layer Cone Mid/Bass Driver with High-Tight Fiber Basket
12dB Two Way Passive Crossover 

1.1

Power Handling RMS/MAX


15/50 Watts

Sensitivity (SPL@1W)

91dB

Frequency Response

2.5Khz - 20Khz

Tweeters

1.1

1" Silk Dome Neodymium Tweeter 

FB 2.5" WMT

Power Handling RMS/MAX


30/80 Watts

Sensitivity (SPL@1W)

92dB

Frequency Response

0.2Khz - 20Khz

Midranges

FB 2.5" WMT

FB 3.1 Midrange

Power Handling RMS/MAX

30/80 Watts

Sensitivity (SPL@1W)

92dB

Frequency Response

0.3Khz - 5.5Khz

Midranges

FB 3.1 Midrange
FB 4.1 Mid/Bass

Power Handling RMS/MAX

50/100 Watts

Sensitivity (SPL@1W)

91dB

Frequency Response

55hz

Mid/Basses

FB 4.1 Mid/Bass
FB 5.1 Mid/Bass

Power Handling RMS/MAX


60/120 Watts

Sensitivity (SPL@1W)

92dB

Frequency Response

45hz

Mid/Basses

FB 5.1 Mid/Bass
FB 6.1 Mid/Bass

Power Handling RMS/MAX


80/160 Watts

Sensitivity (SPL@1W)

92dB

Frequency Response

40hz

Mid/Basses

FB 6.1 Mid/Bass
FB 5.1 PRO Mid/Bass

Power Handling RMS/MAX

60/120 Watts

Sensitivity (SPL@1W)

92dB

Frequency Response

45hz

Mid/Basses

FB 5.1 PRO Mid/Bass
FB 6.1 PRO Mid/Bass

Power Handling RMS/MAX

80/160 Watts

Sensitivity (SPL@1W)

92dB

Frequency Response

40hz

Mid/Basses

FB 6.1 PRO Mid/Bass