Field Box Black - Black Diamond Series- Lightweight Bluetooth Speaker - Olive Green

Field Box – Black Diamond Series - Olive Green

Featuring a Butterworth B4 Acoustic Design with Solid Oak Core

Built for performance, tuned for precision, and handcrafted for durability — the Field Box: Black Diamond Seriesembodies the spirit of Colorado craftsmanship. Each unit starts with a rugged polymer utility case and is hand-fitted with a solid oak wood core, creating a naturally resonant acoustic chamber that enhances warmth and clarity.

Engineered around a Butterworth B4 (4th-order) alignment, this speaker delivers a smooth, even frequency response with tight, controlled bass and clear mids. Paired with Black Diamond coaxial drivers and a front-facing bass reflex port, it produces impressive, room-filling sound in a portable, weather-ready enclosure.

Every Field Box is built for real-world use — whether you’re in the workshop, on the trail, or relaxing fireside. It’s a seamless blend of modern audio technology and classic, hand-built quality.

Key Features:

• Butterworth B4 acoustic alignment for precision-tuned performance

• Solid oak wood core for rich tonal warmth and resonance

• Black Diamond full-range drivers for clear, balanced sound

• Front-facing bass reflex port for dynamic low-end response

• Rugged polymer utility case in Olive Drab or Stealth Black

• Integrated handle for portability

• Bluetooth connectivity with rechargeable power system

• Handcrafted in Colorado, USA

Purpose-built. Field-ready. Sound refined.
The Field Box – Black Diamond Series delivers handcrafted quality and engineered sound that performs wherever the day takes you.