Korg Tuner CA-2

The ideal compact tuner for brass band or orchestra, now with a stylish new look.

The KORG CA-2 delivers excellent precision and sensitivity yet is simple and easy to use. This is perfect for musicians at different levels working with various musical instruments and performances.

The CA-2 compact tuner has different remarkably vibrant colours. CA-2 shows pitch quickly and accurately with a larger and clearer display. Smoother tuning guided by its Red and green LED light indicator.

The CA-2 is handy and portable, and the batteries are easily replaced. Its broad tuning range of A0-C8 is ideal for almost all types of instruments. Aside from its high-sensitivity built-in microphone, you can purchase the CM-200 contact microphone for more accurate tuning.

The calibration function (410-480 Hz) can be adjusted in 1 Hz steps for accurate and flexible tuning to any song or key. In addition to tuning visually with the meter, you can also tune by ear using a Sound Out mode that's chromatically adjustable in the range of C4–C5. The high-efficiency long-life design allows approximately 100 hours of continuous operation on two AAA zinc-carbon batteries or around 200 hours on alkaline batteries.

Product Features:

• A large note name display for even better visibility.
• A needle-style meter with a large high-visibility note name and string name
• A limited edition is now available as a chic silver model.
• A compact body that's slim and lightweight
• Tuning function suitable for a variety of instruments
• Approximately 200 hours of continuous use
• A wide range of pitch detection covers any instrument
• Adjustable calibration for a wide range of concert pitches
• Sound mode emits a reference tone from the built-in speaker

Product Specifications:

• Scale: 12 notes equal temperament 
• Detection Range: A0 (27.50Hz) - C8 (4186.01Hz): Sine wave
• Reference Tone: C4 (261.63Hz) - C5 (523.25Hz): One octave
• Tuning Modes: Meter mode, Sound Out mode
• Calibration Range: A4 = 410Hz - 480Hz (1Hz steps) Detection Accuracy+/- 1 cent
• Sound Accuracy: +/- 1.5 cent 
• Connectors: INPUT jack (1/4" monaural phone jack
• Power Supply: Two AAA batteries (3V) 
• Battery Life: Approximately 200 hours (alkaline batteries, Meter mode, A4 continuous input)
• Approximately 100 hours (zinc-carbon batteries, Meter mode, A4 continuous input)
• Dimensions (W x D x H): 100 x 60 x 16 mm / 3.94" x 2.36" x 0.63" 
• Weight: 67 g / 2.36 oz. (including batteries)
• Included Items: Two AAA batteries for verifying operation
• Accessories: Contact Microphone CM-200

According to our research, the Korg tuner is the best tuner under $100 because it recognises low and high frequencies. It is, therefore, not only suitable for the violin and viola but also works for the cello and double bass.