Zoom 505 II Guitar Multi-Effects Pedal, Used, with Original Box.The Zoom 505 II is a compact digital multi-effects processor for electric guitar featuring 33 effects, up to 9 simultaneous effects, and 36 user-rewritable patch memories. 
Core Specifications

• Built-in Effects: 33 total effects across 7 modules (up to 9 simultaneous effects, including ZNR noise reduction and amp simulation)
• Patch Memory: 36 user-rewritable patches (6 banks × 6 patches)
• Sampling Frequency: 31.25 kHz
• A/D Conversion: 16-bit, 64x oversampling
• D/A Conversion: 16-bit, 8x oversampling
• Display: 2-digit, 7-segment red LED display
• Tuner: Integrated auto-chromatic tuner 

I/O & Control

• Guitar Input: 1/4" monaural phone jack (Input impedance: 470 kΩ) 
• Output: 1/4" stereo phone jack (Combined line and headphone output, minimum load impedance 10 kΩ) 
• Control Input: 1/4" jack for an optional expression pedal (FP01/FP02) or footswitch (FS01) 

Power & Physical

• Power Requirements: 9V DC, 300 mA center-negative AC adapter (Zoom AD-0006) or 4 × IEC R6 (AA) batteries 
• Battery Life: Approximately 28 hours with alkaline batteries (or 8 hours with manganese batteries)
• Dimensions (W × D × H): 125 mm × 145 mm × 40 mm (approx. 4.9" × 5.7" × 1.6") 
• Weight: 280 g (without batteries)