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Congratulations and thank you for purchasing Soundstream products. We are confi-
dent you will enjoy your new subwoofer and appreciate the effort involved in bringing 
you the best engineered and crafted subwoofer in this category. Harmonic 
indulgence...Listen and feel.

We advise you to keep this manual in a safe and dry place. Write down any important 
information to reference from in the future, such as all of your enclosure information. 
Draw a simple diagram and write all the parameters of the enclosure incase you ever 
need to reference from it in the future.

The following enclosure recommendations are only a few in variation of what the 
woofer requires. If you need specific information for a design and have questions 
regarding it, please contact our Technical Support Department with your details, via 
email at [email protected]. We strongly suggest you use or build an 
enclosure with in the following parameters for proper function and quality results from 
your woofer. Building an enclosure too far from the specified suggestions may cause 
undesired performance and/or damage to your woofer and in some cases your 
amplifier as well. 

Specifications

NOTICE

* These numbers are measured with the cosmetic rubber gasket in place. Please measure the driver
yourself for precise dimensions or if necessary with out the gasket.

Sealed Enclosure Recommendations for XW-10 & 10/2

Optimum Enclosure

Other Enclosure Recommendations

MAX Power

Volume

Model

Mounting Depth

Outer Diameter

Cutout Diameter

Driver Displacement

Impedance

RMS Power

MAX Power

PEAK Power

Voice Coil

Magnet Weight

Frequency Response

Resonant Frequency

Qts

Qms

Qes

Vas

XMAX

SPL

XW-12 & 12/2

*5.125”

*12.625”

11.125“

.09 cu. ft.

Dual 4 ohm/Dual 2 ohm

150 watts

300 watts

600 watts

2”

40 oz.

30 - 500Hz

35.279Hz

.806

7.619

.902

52.208 ltr

9.35 mm

85.9 dB

XW-10 & 10/2

*4.5”

*10.375”

9”

.07 cu.ft.

Dual 4 ohm/Dual 2 ohm

125 watts

250 watts

500 watts

2”

40 oz

30 - 500Hz

38.469Hz

.736

8.514

.806

18.880 ltr

9.35 mm

83.1 dB

NET Volume 

.9 cuft / 25.5 ltrs

Enclosure Q 

.605

Max Power 

250 watts

Fill  

50% 

Loose

All volume suggestions are “Net Volume” before any 
displacement. Please add accordingly to your design

NET Volume 

1 cuft / 28.3 ltrs

Enclosure Q 

.616

Max Power 

250 watts

Fill  

50% 

Loose

All volume suggestions are “Net Volume” before any 
displacement. Please add accordingly to your design

Smallest  .5 cuft / 14.16 ltrs   

250 watts

Largest 

1.4 cuft / 39.64 ltrs   

200 watts

MAX Power

Volume

Smallest  .7 cuft / 19.82 ltrs   

250 watts

Largest 

1.5 cuft / 42.48 ltrs   

200 watts

Sealed Enclosure Recommendations for XW-12 & 12/2

Optimum Enclosure

Other Enclosure Recommendations

NET Volume 

1.2 cuft / 34 ltrs

Vent Design 

3” X 7.375”

Tuning Freq 

40Hz

Max Power 

250 watts

All volume suggestions are “Net Volume” before any 
displacement. Please add accordingly to your design

Vented Enclosure Recommendations for XW-10 & 10/2

Optimum Enclosure

Other Enclosure Recommendations

NET Volume 

1.8 cuft / 51 ltrs

Vent Design 

20 sqin X 14.5”

Tuning Freq 

40Hz

Max Power 

200 watts

All volume suggestions are “Net Volume” before any 
displacement. Please add accordingly to your design

NET Volume 

1.5 cuft / 42.48 ltrs

Vent Design 

4” X 12.25”

Tuning Freq 

38Hz

Max Power 

250 watts

All volume suggestions are “Net Volume” before any 
displacement. Please add accordingly to your design

Vented Enclosure Recommendations for XW-12 & 12/2

Optimum Enclosure

Other Enclosure Recommendations

NET Volume 

2.25 cuft / 63.2 ltrs

Vent Design 

20 sqin X 14”

Tuning Freq 

36Hz

Max Power 

225 watts

All volume suggestions are “Net Volume” before any 
displacement. Please add accordingly to your design

Wiring Configurations

There are a variety of impedance possibilities when using woofers equipped with 
multiple coils. It is “EXTREMELY” important that ALL coils are used and none are left as 
spares. Always provide the minimum impedance your amplifier requires. If you need 
assistance with wiring configurations, please consult a professional installer or 
contact our Technical Support Department with your questions.

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