| Model | Challenger Apollo-39 Brown UC Deluxe (Electro-Acoustic) |
| Orientation / Cut | Right-handed, Upper Cutaway (UC) — ergonomic upper-fret access |
| Body Shape | Grand Auditorium with Venetian cutaway for balanced tone & playability |
| Top Wood | Select spruce, X-braced, book-matched — clarity and dynamic response |
| Back & Sides | Mahogany laminate — warm midrange and focused low-end |
| Finish | Deluxe Brown high-gloss with protective clearcoat showcasing wood grain |
| Binding & Purfling | Cream ABS binding with multi-ply black/white purfling accents |
| Rosette | Multi-ring decorative rosette with subtle metallic highlight |
| Pickguard | Black teardrop pickguard (protective film applied) |
| Neck | Mahogany neck, satin finish; comfortable C-profile for extended play |
| Scale Length | 25.5" / 648 mm — balanced tension and articulation |
| Fingerboard | Rosewood-style engineered wood, ~12" radius; rolled edges for comfort |
| Frets / Inlays | 20 medium frets; dot inlays and side markers for stage visibility |
| Nut Width & Material | Approx. 43 mm; synthetic bone (NuBone-style) for stable action |
| Truss Rod | Dual-action truss rod — headstock adjustment (4 mm hex) |
| Bridge & Saddle | Rosewood-style bridge with compensated synthetic bone saddle for improved intonation |
| String Spacing (Bridge) | ~55 mm (E-to-e) — comfortable for fingerstyle and strumming |
| Factory Strings | .012–.053 phosphor bronze (standard); 80/20 option available |
| Electronics | Under-saddle piezo pickup with active preamp; 3-band EQ (Bass/Mid/Treble), Volume, Phase switch — clear amplified tone |
| Onboard Tuner | Integrated digital tuner with LED and auto-mute during tuning |
| Outputs / Power | 1/4" TS output jack; 9V battery compartment on lower bout; optional DI on selected SKUs |
| Machine Heads | Die-cast sealed tuners, ~18:1 ratio, chrome finish for stable tuning |
| Action Target (12th Fret)* | Factory target ~2.2 mm (low E) / ~1.8 mm (high e) — adjustable to player preference |
| Dimensions (Approx.) | Overall length ~1030 mm; lower bout ~405 mm; upper bout ~295 mm; body depth 100–120 mm |
| Weight (Approx.) | Approx. 2.0–2.4 kg depending on wood & hardware |
| Case / Bag | Padded gig bag recommended; deluxe hardshell case optional (sold separately) |
| Included Items | Truss rod key, spare bridge pins, quick-start guide, warranty card (region dependent) |
| Care & Environment | Store at 45–55% relative humidity; avoid direct sunlight and radiators; use humidifier in dry climates |
| Notes | *Factory setups vary by batch. Specifications subject to change without notice as part of continuous improvement. Measurements are approximate. |
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