Compact size, full-range sound. The AT-SP3X pairs 3″ woofers with 1.1″ tweeters and DSP tuning to deliver clear, balanced audio from vinyl, laptops, and phones—no external amp required. Set up instantly via stereo RCA or go wireless with Bluetooth® 5.3 (multipoint), then control power and volume from the front panel. A minimalist design keeps any room looking tidy.

Key features

• DSP-tuned, full-range sound from compact bookshelf cabinets
• Wired & wireless: stereo RCA input plus Bluetooth 5.3 with multipoint pairing
• Powered design — simple setup, no external receiver/amplifier needed
• Easy controls: front power button with LED and smooth volume dial
• Clean, minimal aesthetic that suits any room
• Global-ready power with included AC adapter and plug set

Specifications

• Speaker units: Woofer 76 mm (3.0″) ×2, Tweeter 27 mm (1.1″) ×2
• Maximum output: 30 W
• Frequency response: 55–20,000 Hz
• Bluetooth version: 5.3; profiles: A2DP; codec: SBC
• RF output: 10 mW EIRP | Range: ~10 m (33′) line of sight
• Band: 2.4 GHz (2.402–2.480 GHz) | Modulation: GFSK, π/4-DQPSK, 8DPSK | Spread: FHSS
• Supported sample rates/bit depths: 44.1/48 kHz, 16/24-bit
• Transmission band (BT audio): 20–20,000 Hz
• Inputs: Stereo RCA (L/R)
• Power: AC100–240 V → DC18 V (supplied adapter)
• Cables: Speaker cord 2.0 m (6.6′); AC adapter cord 1.2 m (3.9′)
• Dimensions (H × W × D): 200 × 113 × 145 mm (7.9″ × 4.9″ × 5.4″), excl. protrusions
• Weight: Left 1.5 kg (3.3 lb), Right 1.6 kg (3.5 lb)
• Operating temperature: 5–40 °C (41–104 °F)

What’s in the box

• AC adapter + 4 replacement plug adapters
• Speaker cable (L/R connection)
• 8× rubber feet