Banda Pocket Series Compact 400 Watt 2-Ohm 4-Channel Brazilian Amplifier BD-400.4

• Banda BD-400.4 Pocket Series 4-Channel Amplifier – Compact Brazilian power with precision and punch
• 400W RMS @ 2 Ohms – Delivers clean, consistent output across 4 channels
• Super Compact Footprint – Only 127mm deep and under 1kg—perfect for tight installs
• Wide Frequency Response (20Hz – 20kHz) – Crystal-clear sound across the full audio spectrum

Banda Pocket Series Compact 400 Watt 2-Ohm 4-Channel Brazilian Amplifier BD-400.4

This Listing Includes:

• (1) Banda Pocket Series Compact 400 Watt 2-Ohm 4-Channel Brazilian Amplifier BD-400.4

Don’t let the size fool you — the Banda BD-400.4 packs reliable Brazilian performance into a compact footprint ideal for space-conscious builds. Delivering up to 400 Watts RMS at 12.6V, this 4-channel full-range amplifier is perfect for powering mids and highs in tight installations, motorcycles, powersports vehicles, or stealth car audio setups.

Engineered for clean signal output, high efficiency, and flexible crossover control, the BD-400.4 is a small-but-mighty solution for DIYers and pros alike.

Features

• Compact size – perfect for motorcycles, ATVs, or stealth car installs


• 4-channel full-range Class D amplifier


• Delivers up to 140W x 4 @ 2 Ohms (14.4V)


• Bridgeable for 2-channel setups (2 x 280W @ 4 Ohms)


• Clean and efficient output with <1% THD


• Variable high-pass and low-pass crossover filters


• High efficiency – up to 87% at 4 Ohms


• 20Hz–20kHz frequency response with flat switch engaged


• Wide input sensitivity: 180mV – 3.4V


• Durable build and premium Banda circuit engineering

Specifications

• Maximum Power: 4 x 140 WRMS 14.4v @ 2 Ohms


• Maximum Power: 4 x 85 WRMS 14.4v @ 4 Ohms


• Maximum Power: 2 x 280 WRMS 14.4v Bridged @ 4 Ohms


• Maximum Power: 4 x 100 WRMS 12.6v @ 2 Ohms


• Maximum Power: 4 x 65 WRMS  12.6v @ 4 Ohms


• Maximum Power: 2 x 200 WRMS 12.6v Bridged @ 4 Ohms


• Total Power: 400 Wrms @12.6 volts


• Impedance: 2 ohms


• Frequency Response (FLAT Switch): 20Hz - 20Khz (-3dBs)


• Efficiency @ 4 Ohms: 87%


• Efficiency: @ 2 Ohms 82%


• Channels: 4


• Input Voltage: 9 - 16V


• Input Impedance: 47K Ohms


• THD maximum power: < 1%


• Input Sensitivity: 180mV - 3.4V


• Signal to Noise Ratio: 85dB


• HPF (Subsonic): 90Hz - 20kHz @ 12dB/oitava Linkwitz-Riley


• LPF (Crossover): 20Hz - 90Hz @ 12dB/oitava Linkwitz-Riley


• Recommended Fuse: 30A


• Rest Current: 700mA


• Maximum Current (sine signal): 40A


• Maximum Current (musical signal): 20A


• Power Cables (min. recommended): 10mm / 9 AWG


• Output Cables (min. recommended): 2 x 1,5mm / 2 x 15 AWG

Dimensions

• Weight: 1.9 Lbs


• Height: 2 inches


• Width: 4.6 inches


• Depth: 5 inches

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

• Visa
• Mastercard
• American Express
• Discover
• Diners Club

Digital Wallets

• Amazon Pay
• Apple Pay
• Meta Pay (formerly Facebook Pay)
• Google Pay
• Shop Pay
• PayPal

International Payment Methods

• Bancontact
• iDEAL

Bank Transfers

• Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

• Klarna
• Affirm
• Sezzle
• Snap
• Acima
• Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

• Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
• Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

Why Can’t I Track My Order?

If you're having trouble tracking your order:

• Make sure you’ve received the shipping confirmation email with the tracking number.
• Log into your account on our website and use the “Check Your Order Status” button.
• If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.