- Home Page /
- Auto & Tires /
- Auto Electronics /
- Car Amplifiers /
- Monoblock Car Amplifiers /
- PowerBass ACS-4090 - 90 Watt x 4 @ 2-Ohm Ampl...
0 ratings
Item #:
130814286
PowerBass ACS-4090 - 90 Watt x 4 @ 2-Ohm Amplifier
Item #:
130814286
BSD 175
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Only 4 items left in stock.
Order now and get it around Tuesday, September 29
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
If you are seeking the perfect mix of performance and value look no further.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Product Details
- PowerBass ACS-4090 4ch Compact Amplifier PowerBass is pleased to introduce our newest addition to our series of Class A/B full range and Class D bass amplifiers. Borrowing from our classic ASA series, these new amplifiers offer the most desired features in the most compact chassis allowable. To accomplish this we selected SMD parts and engineered a brand new 6 oz/kg high density heat sink engineered for maximum efficiency and cooling. The result a line-up of two, four and mono channel models that offer great performance and fantastic value. Ultra efficient, the ACS amplifiers produce plenty of low distortion high fidelity audio in a footprint small enough to fit nicely in nearly any vehicle. If you are seeking the perfect mix of performance and value look no further. Features - • 4-Channel 480 Watt High Efficiency Class A/B Design • 2-ohm Stable (4-ohm in Bridged Mode) • PWM MOSFET Power Supply • High Level (Speaker)/Low Level (RCA) Input • Remote Soft Delay Turn On/Off Circuit • Variable High/Low Pass Electronic Crossover • Selectable 12dB Bass Boost EQ • Variable Gain Control • Protection Circuit: Impedance Over-load, Speaker Short, Circuit, Thermal Overheating, and DC Output. Specifications - • Inputs: RCA, 2 Pairs Input, 2 Pair Speaker Level Input • Power Supply: Unregulated PWM • 4-ohm Mono Power: 180 watts x 2 • 4-ohm Power: 45 watts x 4 • 1-ohm Mono Power: N/A • 2-ohm Power: 90 watts x 4 • Subwoofer EQ Frequency: N/A • Variable Subwoofer EQ: N/A • Low-Pass Crossover Freq: Variable 30 Hz - 250 Hz • High-Pass Crossover Freq: Variable 50 Hz - 1 kHz • Peak Power: 720 watts • Crossover Slope: 12 dB • Dimensions (in Inches): 12.8 x 7.1 x 2.0 • Input Sensitivity: 0.25 V - 6.0 V • S/N Ratio: >100 dB • Total Harmonic Distortion: 0.3% @ Rated Power • Strapped Output Power @ 2ohms: N/A • Output Power (14.4 V) @ 4 ohm: 45 watts x 4 • Output Power (14.4 V) @ 2 ohm: 90 watts x 4 • Channels (mono): 4 • Frequency Response: 10 Hz - 50 kHz
| Brand | PowerBass |
| Rms power rating | 45 W |
| Channels | 4 |
| Impedance | 2 ohm |
| Features | Compact |
| Peak audio power handling | 0 W |
| Input/output type | RCA |
| Rec. use | Car Audio |
| Size | 12.8" x 7.1" x 2.0" (32.5 x 18 x 5.1 cm) |
| Rec location | Vehicle |
| Audio output | 90 W |
| Total harmonic distortion | 1 % |
| Signal-to-noise ratio | >90 |
| Inputs/Outputs | RCA, 2 Pairs Input, 2 Pair Speaker Level Input |
| Input/output quantity | 2 |
| Input/output direction | Input |
| Model | ACS-4090 |
| Vehicle fitment type | Universal |
| Has written warranty | No |
| Has nrtl listing certification | N |
| Assembled product weight | 6 |
| Volts | 14.4 V |
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the power output of this amplifier?
Answer: The amplifier delivers 45 watts RMS per channel at 4 ohms and 90 watts RMS per channel at 2 ohms. -
Question:
Does it have protection features?
Answer: Yes, it includes protection circuits for impedance overload, speaker short, thermal overheating, and DC output. -
Question:
What is the size of the amplifier?
Answer: The amplifier dimensions are 12.8 x 7.1 x 2.0 inches.
PowerBass Monoblock Car Amplifiers Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
BSD 175
Order now and get it around Tuesday, September 29
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 4 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Compact 4-channel amplifier with 480 watts of high efficiency.
- Designed for low distortion, high fidelity audio performance.
- Features PWM MOSFET power supply and advanced cooling technology.
- Includes variable high/low pass electronic crossover and selectable bass boost.
- Protection circuits guard against overheating, short circuits, and impedance overload.
- Perfect fit for any vehicle, ideal for both performance and value seekers.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.