What’s the difference between the HPD-10/HPD-15 and the new HandSonic HPD-20?

HandSonic HPD-10 / HandSonic HPD-15 / HandSonic HPD-20
Number of pressure sensitive pads / 10 / 13 / 13
Number of kits / 64 / 240 / 200
Number of Instruments / 400 / 600 / 850
Wav file Import / No / No / Yes – Up to 12 minutes mono, 6 minutes stereo
(File Format: WAV 44.1 kHz, 16 bits)
Internal Effects Engine / Ambience (5 types), Multi-Effects (20 types) / Ambiance (17 types), Multi-Effects (85 types) / 3 Effects Engines, Effects (25 Types) Ambience (10 Types) and
3-band Kit EQ
Realtime Effect Control / Realtime Modify knob / 3 x Realtime Modify Knobs,
Ribbon L/R / Realtime Modify knob
USB Back-up & kit save/load / No / No / Yes
MIDI In/Out / In/Out / In/Out / In/Out
USB-MIDI / No / No / Yes
USB-Audio / No / No / Yes
Quick Rec / No / No / YES, with WAV export:
Resolution: 480 ticks per quarter note
Recording Method:Realtime
Maximum Note Storage: approx. 30,000 notes
Export File Format: WAV 44.1 kHz, 16 bits
Pattern Sequencer / No / Yes
Preset Patterns : 99
User Patterns: 99 (Maximum) Tracks: 4,
Play Functions:OneShot, Loop, Tap
Resolution: 96 ticks per quarter note
Recording Method: Real-time / No
D-Beam / Yes / Yes / Yes
External Trigger Inputs / TRIG IN jack: 1/4-inch TRS phone type
FOOT SW jack: 1/4-inch TRS phone type / TRIG IN jack: 1/4-inch TRS phone type
HH CTRL jack: 1/4-inch TRS phone type
FOOT SW jack: 1/4-inch TRS phone type / TRIG IN jack: 1/4-inch TRS phone type
HH CTRL jack: 1/4-inch TRS phone type
FOOT SW jack: 1/4-inch TRS phone type
Kit Chain / No / 10 chains (32 steps per chain) / 15 chains (50 steps per chain)
Mix In / Yes (Stereo Jack) / Yes (Stereo Jack) / Yes (Stereo Jack)
Coach Mode / Yes / No / No
Metronome/Click / Yes / Yes / Yes