Klipsch RSM-400 4 Inch Indoor Outdoor Titanium Speaker Pair

Compact indoor and outdoor surface-mount speaker with clear, high-impact sound, weather-resistant durability, and finish options in Black or White.

The Klipsch RSM-400 is built for spaces where standard speakers fall short, giving you strong output, clean detail, and dependable durability in a compact cabinet. With a 4 inch woofer, 1 inch titanium compression driver, and Klipsch Tractrix Hyperfold Port design, it delivers controlled bass and crisp, intelligible sound for patios, gardens, storefronts, restaurants, and indoor distributed audio zones. Available in Black or White, the RSM-400 makes it easier to match the speaker to the space instead of forcing the space to work around the speaker.

Why installers choose this indoor and outdoor speaker

• Available in Black or White for cleaner visual integration with different indoor and outdoor finishes
• Compact cabinet delivers strong output without the bulky look of larger box speakers
• 4 inch woofer and 1 inch titanium compression driver produce clear mids, crisp highs, and strong everyday coverage
• Tractrix Hyperfold Port design helps extend bass while keeping the sound controlled at higher volumes
• IPX5-rated weather resistance makes it a practical choice for year-round outdoor use
• Dual 5-way binding posts support flexible wiring and cleaner terminations
• Set-screw grille design adds security for public and high-traffic commercial installs

Best use cases

• Patios, pergolas, balconies, and backyards that need clean music with reliable weather resistance
• Restaurants, retail spaces, and waiting areas that need compact speakers with consistent coverage
• Poolside and garden zones where durable outdoor audio matters
• Indoor distributed audio rooms where a compact surface-mount speaker is the better fit

Recommended with this product

• Audio Amplifiers
• Speaker Mounts and Brackets
• Outdoor Speakers

Quick guidance

If you want a compact Klipsch speaker for indoor or outdoor use, the RSM-400 is a strong choice when you need clarity, durability, and cleaner installation flexibility. Choose Black when you want the speaker to visually disappear on darker surfaces, or White when you want a better match for lighter walls, trim, and ceiling lines. For the best outdoor sound, mount it under an eave or covered area when possible and aim it toward the main listening zone.

1. Is this sold as a pair or a single speaker?
   This is a pair, so you get left and right speakers for true stereo sound.
   
2. What amp should I use with these?
   Any standard home audio receiver or 2-channel amp works well. They’re great on a patio zone from a multi-room amp too.
   
3. Can they handle outdoor weather year-round?
   They’re made for indoor or outdoor use. For the longest life, mount them under an eave when possible and keep wiring connections sealed.