index.md

---

title: AudioParam.maxValue
slug: Web/API/AudioParam/maxValue
page-type: web-api-instance-property
browser-compat: api.AudioParam.maxValue

---

{{APIRef("Web Audio API")}}

The maxValue read-only property of the {{domxref("AudioParam")}} interface represents the maximum possible value for the parameter's nominal (effective) range.

Value

A floating-point {{jsxref("Number")}} indicating the maximum value permitted for the parameter's nominal range.

The default value of maxValue is the maximum positive single-precision floating-point value (+340,282,346,638,528,859,811,704,183,484,516,925,440).

Examples

const audioCtx = new AudioContext();
const gainNode = audioCtx.createGain();
console.log(gainNode.gain.maxValue); // 3.4028234663852886e38

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• {{domxref("AudioParam.minValue")}}