SKU: 12181653500

Powerbass STA-8 - 8" Amplified Underseat Subwoofer Enclosure

Sale price$151.65 Regular price$168.50
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3

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Description

Powerbass STA-8 - 8" Amplified Underseat Subwoofer EnclosureSpecifications: Single 8" 150 Watt RMS Amplified Under Seat Subwoofer Enclosure Extruded Aluminum Enclosure with Dynamic Damping 8 Injection Molded PP Cone Woofer 1. 5" KSV Voice Coil Former 1 Channel 150 Watt High Efficiency Class A B Design High Level (Speaker) Low Level (RCA) Input Soft Delay Turn On Off Circuit Auto Turn on (high level input only) Variable Low Pass Electronic Crossover Variable 12dB Bass Boost EQ @ 45 Hz Variable Gain Control

Specifications:

  • Single 8" 150 Watt RMS Amplified Under Seat Subwoofer Enclosure
  • Extruded Aluminum  Enclosure with Dynamic Damping
  • 8” Injection Molded PP Cone Woofer
  • 1.5" KSV Voice Coil Former
  • 1-Channel 150 Watt High Efficiency Class A/B Design
  • High Level (Speaker)/Low Level (RCA) Input
  • Soft Delay Turn On/Off Circuit
  • Auto Turn-on (high level input only)
  • Variable Low Pass Electronic Crossover
  • Variable 12dB Bass Boost EQ @ 45 Hz
  • Variable Gain Control
  • Protection Circuit: Impedance Over-load, Speaker Short, Circuit, Thermal Overheating, and DC Output
  • Variable Wired Remote Gain Control Included
  • Mounting Hardware Included
  • 9.75"W x 2.75"H x 13.5"D
  • Selectable Subwoofer EQ: 0dB - 12 dB @ 45 Hz
  • Inputs: Low Level (RCA)/High Level (speaker level)
  • Equalization Boost/Cut: 0dB - 12 dB
  • Subwoofer Frequency Range: 20 Hz - 200 Hz
  • Power Supply: Unregulated PWM
  • Height: 2.75"
  • Width: 9.75"
  • Depth: 13.5"
  • Material: Extruded Aluminum
  • 2-ohm Power: 150 watts RMS/300 watts max
  • Subwoofer EQ Frequency: 45 Hz
  • Variable Subwoofer EQ: 0dB - 12 dB
  • Low-Pass Crossover Freq: 40 Hz - 200 Hz
  • Dimensions (in Inches): 2.75" x 9.75" x 13.5"
  • Input Sensitivity: 250 mV - 6V (low level)/1.0V - 10 V
  • S/N Ratio: >85 dB
  • Total Harmonic Distortion: 0.5% at Rated Power
  • Output Power (14.4 V) @ 2 ohm: 150 watts RMS/300 watts max
  • Channels (mono): 1
  • Frequency Response: 20 Hz - 250 Hz
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 12181653500

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4.1 ★★★★★
Based on 6 reviews
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Product Reviews
Q
Verified Purchase
Q Nguyen
Los Angeles, US
★★★★★ 4
Decent pitcher
Size: 11.8 Ounces
Smaller than expected. I frothed 5 oz of milk and it was almost a mess.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 16, 2025
V
Verified Purchase
Vasilios Anastasiadis
Draper, US
★★★★★ 5
Love
Size: 11.8 Ounces
Perfect size for making my Fredo cappuccino every morning. Throw it in the dishwasher look brand new everytime
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 18, 2025
M
Verified Purchase
Malcolm McLane
Waukegan, US
★★★★★ 5
Very nice product. Made of high quality.
Size: 20 Ounces
Product is just what i ordered. Recommend to anyone to purchase from this vendor.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 12, 2025
L
Verified Purchase
Leonardo E. Machado
Bozeman, US
★★★★★ 5
Authentic flavor
Size: 20 Ounces
Exactly as the website says. Very strong and very easily to enjoy every single moment.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 29, 2026
J
Verified Purchase
jim Ocello
Carnegie, US
★★★★★ 4
The quality looks quite good considering where it was manufactured.
Size: 11.8 Ounces
Looks great, haven’t used the machine yet. However, it arrived timely and it looks to be Very nice piece of equipment. I look forward the first cup.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025

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