Immerse yourself in the ultimate sonic experience on the road with the MB Quart Formula 400-Watt 4-Channel Car Audio Mobile Amplifier. This 4-channel powerhouse delivers a staggering 400 watts of pure, dynamic power, transforming your vehicle into a mobile concert hall.

The amplifier's low-noise pre-amplifier circuit and Q-Stasis pre-amplifier stage ensure that your audio signals remain pristine, free from distortion, and true to the original recording. High-temperature impact-proof nickel-plated RCA inputs guarantee secure and erosion-free connections, while heavy-duty output connections provide a robust electrical pathway for seamless signal transmission. Equipped with auto turn-on functionality and DC SIGNAL SENSE, the amplifier effortlessly springs to life upon detecting incoming signals on the RCA inputs, enhancing convenience and efficiency.

Take command of your sound with variable electronic crossovers and an on-board electronic equalizer, tailoring frequencies with precision to suit your speakers and subwoofers. Class Q1 (Class D) amplification technology combines efficiency with a commitment to sound quality, while FLUID-FETS output device technology efficiently produces power while faithfully reproducing audio nuances. The heavy-duty heat sink and rugged MOSFET power supply ensure optimal performance without taxing your vehicle's electrical system. With LED system protection circuitry diagnostics, you can monitor overload and speaker short protection, guaranteeing longevity. The included bass remote also allows you to fine-tune bass response from the comfort of the driver's seat.

Turn every drive into a symphony with the MB Quart Formula 400-Watt 4-Channel Car Audio Amplifier.

• Q-Stasis Pre-Amplifier Stage lets you enjoy maximum low voltage signals with minimal distortion for a crystal-clear audio experience; Class Q1 combines the efficiency of Class D with enhanced engineering for superior sound quality
• High-temperature impact-proof nickel-plated RCA inputs allow for secure and erosion-proof connections that ensure optimal signal transfer; Heavy-duty output connections for reliable power, ground, and speaker connections
• DC SIGNAL SENSE allows the amp to turn on automatically upon receiving a signal on RCA inputs (feature can be turned off)
• On-board electronic equalizer tailors specific frequencies to speakers and subwoofers
• FLUID-FETS output device technology and rugged MOSFET power supply produce efficient power without straining the vehicle's electrical system
• Heavy-duty heat sink allows for efficient heat dissipation for prolonged amplifier life; Monitor overload and speaker short protection with illuminated indicators on the end panel
• Material: Steel
• Color: Black
• Dimensions (L x W x H): 7.5 x 5.82 x 2.2 inches
• Weight: 3.21 pounds
• Manufacturer warranty: 1-year warranty

Shipping Information

VMInnovations is proud to offer fast, free shipping every day. Items are typically delivered between 1-3 days.

Most orders placed before 2:00 PM CST ship the same day.

Free Shipping Details

• Our free shipping service is standard ground shipping with FedEx, USPS, or a regional carrier.
• Items are usually delivered in 1-3 days, but some may take up to 5 days.
• Some orders may require a signature before delivery.
• At this time, we only offer free shipping inside the 48 continental United States.
• Free shipping is not available for APO/FPO.
• Some items can be shipped to Alaska, Hawaii, or Puerto Rico. Please note free shipping does not apply to these locations. You will need to select the AK/HI/PR shipping in your cart.
• We are currently unable to ship items internationally.

Freight Shipping Information (LTL)

Some items are too large to be shipped with a regional carrier, FedEx, or USPS, and we ship these items with our freight carriers.

Please read the information below so you fully understand the delivery process and requirements.

Required Actions

We will need your phone number for the delivery. The carrier will need to call you in order to set up a delivery time. Please make sure the number you provide during checkout is the best one to reach you. If paying with PayPal, please make sure the number on your account is accurate.

You'll need to inspect your package upon arrival before you sign. If your order arrives damaged, you should sign "DAMAGED" on the delivery receipt. If the item is damaged to the point that it is not usable, you can refuse the item.

Please notify and, if possible, send photos of any damage to vminnovations_help@email.spreetail.com, along with your order number. A member of our Customer Experience team will reach out to you with further instructions.

Delivery Information

At this time, we do not offer "in-home" deliveries. Your shipment must be delivered to the curbside and will require a signature. Please be sure you are able to move the item after it arrives, as the carrier will not be able to assist.

We do our best to ship orders as fast as we can. If you need to cancel your order, please let us know as soon as possible by calling our Customer Experience team at 866-639-9320. Please note that if we are unable to cancel your order before it ships, you will be responsible for the shipping charges.

If the item is returned from the freight company for any reason other than damage, additional shipping or storage fees may apply. Reasons may include invalid or incorrect address information, and incorrect phone number or contact information, or failing to schedule or missing an already scheduled delivery appointment.

If the item is delivered and a return is requested, the freight shipping fees will be deducted from the final refund amount.