Name: B² Audio
Address: Plantevej 35 2870 Dyssegaard Denmark
Email: info@b2audio.com
Website: https://www.b2audio.com/
European Manufacturer: Yes
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B² Audio REF FOUR
Sale price
699,00€
Regular price
799,00€
Unit price
/
Unavailable
Tax included
Shipping calculated at checkout.
B² Audio REF FOUR - Individually is backordered and will ship as soon as it is back in stock.
Free shipping from 49€
Free shipping from 49€
Shipping
✓ Free shipping from 49€ within Germany and from 99€ to the EU.
✓ Delivery times vary depending on the product and can be found on the product page, usually 1 - 3 working days for stock items, international shipping times vary, usually 6 - 10 working days.
✓ In most cases, shipping is carried out by DHL, UPS and GLS.
✓ Depending on the product and location, items can also be shipped with other providers.
✓ Tracking will be sent by email after the shipment has been processed.
Normal shipping route
✓ 1 - 40Kg = DHL, UPS and GLS
✓ 40.1 - maximum kg = forwarding agency
✓ Bulky goods = freight forwarder
✓ Customs shipments = DHL, GLS or freight forwarder
Parcel collection
✓ Collection takes place regularly from Monday to Friday, orders received by 3 p.m. are usually disposed of on the same day for goods in stock and transported directly to the parcel center.
5% discount for prepayment
5% discount for prepayment
Receive a 5% pre-payment discount. The discount is automatically deducted in the shopping cart/checkout and is valid for all products. Vouchers or discount codes may be excluded or already combined.
Wiring wizard & port computer
Wiring wizard & port computer
Use our wiring wizard for simple wiring of speakers and subwoofers! The correct connection is important for your amplifier! Low-impedance operation can damage the amplifier! The data sheet shows you which connection the respective amplifier is designed for!
Our port calculator shows you which tuning your enclosure has! The net volume is always particularly important here; calculate the pure chamber of the subwoofer beforehand to arrive at the correct result. The net volume is calculated minus all displacements and is important when designing the enclosure.
Downloads
Downloads
Manufacturer Information
B² Audio REF FOUR
Sale price
699,00€
Regular price
799,00€
Unit price
/
Unavailable
The B2 Audio REF FOUR is a robust 4-channel full-range amplifier with Class A/B topology and is designed for demanding audiophile listeners who value sound quality, headroom and flexibility. With a wide frequency response from 15 Hz to 25 kHz, the REF FOUR delivers clean and controlled reproduction across the entire audible spectrum. It features advanced crossover options, bass EQ boost and a monitoring system with clipping indicators. With an output of 4 x 300 W RMS into 2 ohms or 2 x 1200 W RMS bridged into 4 ohms, this amplifier is suitable for both everyday use and professional applications. Its robust construction, 50mm² power connections and efficient layout make it the first choice for high-end installations.
Specifications:
Model: REF FOUR
Circuitry: Class A/B
Frequency response: 15 Hz - 25 kHz
Signal-to-noise ratio: >90 dB
Input sensitivity: 6 V - 0.3 V
Crossover: 24 dB/octave
Low-pass filter: 40 Hz - 400 Hz
High-pass filter: 40 Hz - 4 kHz
Bass EQ: 45 Hz / 0-12 dB
Power connection: 0 gauge / 50mm²
Fuse recommendation: 150 A
Dimensions in mm: 471 x 160 x 64
Continuous power (RMS) at 14.4 V and 1 % THD:
4Ohm: 4 x 200 W RMS
2Ohm: 4 x 300 W RMS
4Ohm bridged: 2 x 1200 W RMS
Power supply requirements:
Minimum battery (AGM): 75 Ah / 1000 CCA
Lithium battery: At least 20 Ah
Payment & Security
Payment methods
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