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Upgrade Your Sierra To Our New Sierra-LX! DIY upgrade kit to convert your Sierra-1, Sierra-2, or Sierra-2EX to our new Sierra-LX. Sierra-LX is a fully Klippel NFS optimized speaker designed for wide and linear dispersion, high power handling, class-leading bass extension and punch, and pure listening enjoyment. Detailed instructions are included. If you prefer not to do the work yourself, we would be happy to perform the upgrade for you. Simply give us a call or send an email for details. *Note: 1 kit needed for each speaker. A pair of speakers requires 2 kits.
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2025
$450.00