See all parts that fit your 1981 528i
800W Peak (400W RMS) HFX Series 12" Dual 4-Ohm Car Subwoofer
Product highlights
• 800 watts Watts Max
• 400 watts Watts RMS
• Pressure treated foam surround
• Poly-cotton spider
• Heavy duty powder coated steel frame
• Vented aluminum former holds a 2" voice coil
Single DIN Digital Media Receiver with Bluetooth (SiriusXM Ready)
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10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Wired Android Auto (SiriusXM Ready)
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Single DIN CD Receiver with Bluetooth, HD Radio and SiriusXM Ready
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300W Peak (100W RMS) 4x6" HED Series 2 Way Coaxial 4-ohm Speakers
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Single DIN Digital Media Receiver with Bluetooth, Built-in Alexa (Sirius XM Ready)
$199.00
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Single DIN CD Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)
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10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto
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Single DIN CD Receiver with Bluetooth, Built-in Alexa, and HD Radio Tuner (SiriusXM Ready)
$219.00
List price $270.00
Priced Individually
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(newest, current model)
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(previous model, replaced by Hifonics HFX12D4BK)
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(previous model, replaced by Hifonics HFX12D4)
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(previous model, replaced by Hifonics HFi12D4)
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Manufacturer:
Model Number:
HFX12D4BK
Weight:
9.50lbs
Internal SKU:
hfx12d4bk
Internal Product ID:
191535
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Good value.
This is a good value. So far, I'm pleased with the performance of these subs. I'll monitor them for durability and bump up to a better-known brand if they fail. I already had a hifionics amplifier, that I have gotten great performance out of for the past several years.
26 found this helpful
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