JP13 —— Dimarzio DP 257 Illuminator Bridge Dimarzio DP 258 Illuminator Neck Pickup, Painted Basswood Body, Rosewood Fingerboard, Peach Blossom Core Neck. When the volume knob is pulled up, the preamplifier system produces a noise-free gain of 20db.

JP 15—— The African peach core piano body is composed of matte baked tiger skin maple veneer, milk coffee baked maple neck fingerboard and stainless steel wire.

New musicman double pendulum bridge, mm new piano pillow, two three-speed switches (one controls the pickup and the other controls PIZEO).

Timbre (which can be pulled and cut) and pickup volume can increase gain. Yipin shield says 15, just like the preamplifier system, the gear position has not changed, and the pickup truck is still the classic DP237 237,258.

Both pianos are particularly classic, JP 13 represents the milestone of musicman, and JP 15 represents the highest craftsmanship of musicman. JP 13 is a basswood piano with a very far and vast sound. JP 15 is a heart-shaped piano with a particularly warm sound. These two pianos are masterpieces of the guitar industry, and either one can be independent.