It is also one of the biggest concerns of leaders and players have to spend a lot of effort to align the rhythm and harmony in the practice of a wind instrument and lack of time to reach the original music.The HD-300 can quickly show accurate tempo and pitch that are difficult to describe in words, and the player can practice while listening to the sound and train efficiently to develop sound, tempo and rhythm.The HD-300 will help you play the fundamental skills more efficiently while playing and use it to share the fun of music with limited time.The HD-300 will help you play the fundamentals of playing efficiently and use it to share the fun of music with limited time.

Recording function HD-300 for interactive learning, it incorporates main and interactive learning, and is equipped with functions to actively improve the player.The HD-300 supports you to help you bring out the players ability and enjoy more music fun.User interface: Push-button (tactile switch), sliders and physical dials are used to confirm the feeling of operation without checking the LCD screen.Training function that supports efficient practice. Built-in 167 songs of the JBC band study sound data can be used in conjunction with the JBC band study sold separately, effectively improving the foundation power.The HD-300 plays automatically so you can practice your part practice or by itself with the correct pitch and rhythm for more efficient learning.The color and finish displayed may differ from the actual product.

Specifications Sound source and simultaneous sound source system FM, AWM maximum simultaneous number of pronunciation FM: 8 (wood tube, conduit orgun), AWM: 48 (piano/others, metronome and rhythm style) Keyboard 61 keys (with touch response) Panel operator: Push button (tacttile switch), slider, dial display, LCD (contrast adjustable), sound color F9 Tone (wood tubing. AWM: 70 tones (piano/others, metronome) sustained ○ Transportation: 15 (halo units) Octave selection: 4 levels Tuning sound condition: average standard, individual volume/pitch reference pitch: 430.0 - 450.3 Hz, Tone: Automatic identification from keyboard, with locking function. Microphone: built-in microphone or Commercially available external connection microphone maximum recording time: 80 minutes per song (about 0.9GB) Format: WAV (44.1 kHz, 16 bit, stereo) Function: Bluetooth Audio, MIDI over BLE wireless output: Bluetooth Class 2, Maximum transmission distance: about 10m, Radio frequency (operating frequency): 2402~2480 MHz Max output power: 6dBm, Modulation method: SKGF. , Pi/4 DQPSK, 8 DPSK Power Amplifier 3.0W + 3.0W Speaker 12cm (6 Ohm) x 2 Power Supply Rated Power Adapter: PA-150B or Yamaha recommended equivalent (output: DC 12V, 1.5A) Battery: AA battery (alkaline/rechargeable NiMH batteries) x 6 power consumption (not included) 9w ( When using the power adapter PA-150B); Auto power off; Battery life: Approx. 4.5 hours (when using alkaline batteries/rechargeable NiMH batteries). *Continuous use.Depending on usage conditions, size / weight (W x D x H): 37.0 x 12.4 x 4.1 inches (940 x 317 x 106 mm); Weight (main unit only): 9.8 lbs (4.2 kg) (not including batteries); Accessories: Instruction manual (English language not guaranteed).