Power Acoustik OD4-1800 1800W Class A/B 4-Channel Full Range Amplifier
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Power Acoustik OD4-1800 1800W Class A/B 4-Channel Full Range Amplifier
The Power Acoustik OD4-1800 packs 1800 watts of true multi-channel output into a compact footprint, making it ideal for custom installs and factory upgrades alike. As part of the Overdrive Series, this 4-channel full-range Class-D amplifier provides high output and thermal stability, while remaining efficient under demanding conditions.
Designed for car audio setups where power distribution, clarity, and space all matter, the OD4-1800 is optimized for running full-range door speakers, midbass drivers, or tweeter arrays. With Class-D topology, this amp minimizes heat buildup and power strain without compromising dynamic range.
General Features:
- 2-ohm Stereo & 4-ohm Bridged Full-Range Operation
- Military Grade PCB w/ PWM MOSFET Power Supply
- Direct Short, Thermal, & Overload Circuit Protection
- High/Speaker Level & Low Level/RCA Input
- 4g Power Wire & 8g Speaker Wire Outputs
- Variable 12dB High & Low Pass Crossovers
- 12dB Bass Boost Increases Low Octave Harmonics
- Amplifier Dimensions (2.3″H x 7.25″W x 14″L)
Key Performance Specs:
-
RMS Power Output:
- 100W x 4 @ 4 ohms
- 150W x 4 @ 2 ohms
- 300W x 2 @ 4 ohms bridged
- Max Power: 1800 watts total
- Frequency Response: 20Hz–20kHz full range
- Variable Crossover Filters: HPF & LPF with 12dB/octave slope
- Signal-to-Noise Ratio: 100dB+
Optimized for Flexible System Builds
Whether you're integrating with OEM head units or an aftermarket deck, the OD4-1800 amplifier supports both high-level and low-level inputs. This makes it ideal for daily drivers, SQ-focused setups, or bass-intensive builds needing clean front-to-rear amplification.
Its small chassis design and MOSFET power supply ensure installation versatility, while protecting circuitry against thermal overload, shorts, and voltage spikes.
Built-In Features for Real-World Use:
- Compact and efficient SMT PCB design
- Independent gain controls for each channel pair
- Bridgeable channels for high-power 2-channel operation
- High/Low pass filters for tuning door, rear fill, or component setups
- 4-gauge power input terminals for stable current delivery
If you're searching for a 4-channel 1800-watt amplifier that balances clean signal, install flexibility, and long-term durability, the OD4-1800 stands out in its class. Ideal for users looking to drive 4 speakers or run a 2-channel 1800W setup, this amp brings heat without the bulk.
Compatible With:
- Factory speaker upgrades
- Component audio systems
- Mid-high SPL configurations
- Cars, trucks, SUVs, and custom installs requiring multi-channel full-range amplification
Warning:
This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.
Shipping Policy
Absolute Pro Music is proud to offer fast shipping at affordable prices. The shipping fee for each order is based on the package weight, destination, and shipping method. For the most accurate shipping information, use the "Get shipping quote" link on the product pages or in your shopping cart.
Shipping Methods and Transit Times
Absolute Pro Music ships orders from our Los Angeles, California location. On occasion, orders will be fulfilled directly by the manufacturer or distributor in order to reduce the shipping time. The shipping times below refer to items labeled with an availability of In Stock - Ships the Same or Next Business Day.
|
Shipping Method |
Order Processing Time |
Delivery Time |
Total Ship Time |
|
Standard Shipping |
1-24 Hours |
1-6 Business Days |
2-7 Business Days |
|
Three-Day Shipping |
1-24 Hours |
3 Business Days |
3-4 Business Days |
|
Two-Day Shipping |
1-24 Hours |
2 Business Days |
2-3 Business Days |
|
One-Day Shipping |
1-24 Hours |
1 Business Days |
1-2 Business Days |
|
Flat Rate Shipping |
1-24 Hours |
7-10 Business Days |
8-11 Business Days |
United States Customers:
The shipping methods listed above are for residential and commercial destinations within the continental 48 United States. Absolute Pro Music primarily uses FedEx to ship orders. To provide the most affordable rates, small items shipped via Standard Flat Rate or USPS First Class Mail will be delivered through a joint effort by DHL and USPS. Shipments to military addresses and PO Boxes will only ship via USPS. When shipping to a military APO/FPO/DPO address, we strongly recommend choosing USPS Priority as the shipping time is much quicker than Parcel and averages about 2-3 weeks.
Canadian Customers: We offer all-inclusive shipping to our Canadian customers. (click here for details)
International Customers: We ship to most countries around the world. (click here for details)
Order Tracking
Once an order has been shipped, we send our customers an email with the tracking number for the order. Click on the tracking link in the email to follow the location of the package on the carrier's website. If you did not receive a tracking number by email or need to confirm the tracking information, please contact us at support@absolutepromusic.com or call us at +1(213) 744.11.44
Order Processing
Each order placed on Absolute Pro Music goes through our processing department before it can be shipped. If 3 business days have passed since you submitted payment and you have not received an email with tracking information, please log in to your account to track your orders and/or contact us immediately via email or phone. Customers who do not receive a tracking number within 3 days will receive an order status update via email.
Shipping to Alternate Address
Orders with different billing and shipping addresses may require longer processing times due to an additional verification procedure. The additional verification and processing time are in an effort to protect our customers from online fraud.
Shipping Changes Fees (Address Intercept)
If a request to change the shipping address is made after the package leaves the Absolute Pro Music warehouse, it is subject to an Address Intercept Fee imposed by the shipping carrier. The amount of the fee varies according to the shipping carrier and the destination of the package. Absolute Pro Music will do its best to work with the shipping carriers to make these changes so that your package arrives at the correct address. Please be aware that not all shipping carriers will accept address intercept changes. This policy is in accordance with the security measures and agreements made with our third-party shipping companies.
Signature Required
Due to the valuable contents of some shipments, Absolute Pro Music may require a signature upon delivery. Such guidelines will not be overruled upon the customer's request. Please understand that this is a security measure taken by our Company to ensure the safe delivery of each package and guarantee excellent service. Many of our third-party shipping carriers and payment companies require signatures upon delivery to protect against fraud and theft. Customers may request a signature upon delivery by calling Absolute Pro Music Customer Service at +1(213) 744.11.44.
Shipping Policy Disclaimer
Delivery estimates do not apply to items shipped directly from the manufacturer, nor out-of-stock items. Some items that ship from the manufacturer can only be delivered to addresses within the 48 continental states.
Standard delivery time for domestic customers will average from 2-4 business days but can take longer in some cases. Saturday, Sunday and national holidays are not considered business days for delivery purposes.
Our Shipping Guarantee applies only to shipments delayed due to our service failure. We will not guarantee shipments that are delayed due to an act of god (ex: weather), a catastrophic event, or failure by our delivery partners. Our guarantee is also voided if incorrect billing or shipping information is given and results in your order being delayed to its destination. Our guarantee is also void if no one is available to sign for shipment when delivery attempt is made if a signature is required.