JBL SB450 Powered sound bar with wireless sub and 4K/HDR video passthrough at Crutchfield
User manual JBL CINEMA SB450 (English - 12 pages)
JBL Cinema SB 450 review: Big presence, big sub, big sound - CNET
JBL SB450 Soundbar review | TechRadar
User manual JBL CINEMA SB450 (English - 12 pages)
Amazon.com: New Replacement Remote Control for JBL Cinema Soudbar SB450 JBL Boost TV 93040001600 Audio System Player Controller with CR2025 Battery : Electronics