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Atlantic Technology 642e

12-Inch Subwoofer

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  • Adding a Subwoofer to Your Home Theater



THX Select-certified performance in a beautiful subwoofer

Atlantic subwoofers use the same design approach in all our subs-from low-priced to high-to produce consistently realistic, convincing bass effects. Our subs vary in how loud they'll play and what size room they're most suited to. But our quality doesn't vary. Big room or small, from loud to soft, the sound quality of an Atlantic Technology subwoofer is always top-notch.


  • 350-watt amplifier and 12" powerhouse driver deliver gut-wrenching bass
  • Atlantic's exclusive CFT (Clear Filter Technology) ensures clean, articulate performance
  • Acoustic suspension deisgn for low distortion sound
  • Elegant curved side panels convey style and grace
  • High efficiency tracking amplifier
  • 2-inch, four layer vented aluminum voice coil, vented motor
  • Continuous 40–140Hz crossover, 18dB/octave low pass output
  • Variable low level stereo inputs and low level outputs
  • Absolute phase invert switch
  • Auto signal sensing on/off/bypass


Type: Powered subwoofer, sealed enclosure

Bass Driver: 12” long-throw composite cone

Output Power: 350W RMS

Distortion (amplifier): <0.5%

Frequency Response: 25Hz – 300Hz ±3 dB

Low Level (line): 20kÙ

Peak Output: 107dB SPL into 2000 cubic Feet

Dimensions (WxHxD): 19.00 x 21.00 x 20.50in; 483 x 534 x 521mm (Depth w/grille)

Weight: 65lbs/29.5kg

Power Requirements: 110V AC 50/60Hz; 240V AC 50/60Hz


System Sealed
Orientation Front-firing
Amplifier Power (RMS) 350 Watts
Amplifier type Class D
Frequency Response +/-3dB 25-300 Hz
Max in-room SPL 107 dB
Impedance na
Driver Size 12-inch
Woofer 12" composite
Port No
Passive radiator(s) No
Speaker Level Inputs No
Speaker level inputs No
Speaker level outputs No
Line level input(s) RCA mono/stereo
Line level output(s) RCA mono/stereo
Balanced inputs No
Phase control 0/180 switch
LP Crossover Frequencies 40-140 Hz
LP Crossover Type Variable
Wireless No
Height (inches) 21"
Width (inches) 19"
Depth (inches) 20.5"
Enclosure MDF
Grille Plastic
Weight (lbs) 42 lbs


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