Colour Name:EIN Specification: Model: ZK-502C Bluetooth version: 5.0 Material: Fibreglass board and electronic component Size: Approx. 82 x 50 x 18 mm Optional types: A (with shell); B (without shell) Clip Solution, TPA3116D2 (with AM interference suppression) With or without filter: yes (filtered sound is round and clear) Supply voltage: 5-27 V. Speaker resistance: 4-16Ω. Speaker power: 30-200 W. Adaptation supply voltage: 5-27 V (optional 9/12/15/18 / 24 V adapter, high performance recommended high voltage) Adapter Speaker: 30-200W, 4Ω，8Ω Number of channels: left and right stereo (stereo) Bluetooth transmission range: 15 m (without occlusion). Protection mechanism: over voltage, under voltage, over heat, DC detection, short circuit protection. Colour: as shown in the picture. Quantity: 1 Tip: Sufficient output with sufficient audio input and sufficient supply voltage/current. The supply voltage is higher and the relative power is larger. The speakers with different impedances have different output powers. With sufficient voltage and current, the relative sound output is all the less the larger the ohm of the horn. Please take care! Supply voltage: 12 V - 8 Ohm speaker / 12 W (left channel) + 12 W (right channel), 4 Ohm speaker / 20 W + 20 W 15 V - 8 Ohm / 18 + 18 W, 4 Ohm / more than 30 + 30 W 19 V - 8 Ohm / 32 + 32 W, 4 Ohm / more than 45 + 45 W 24 V - 8 Ohm / 38 + 38 W, 4 Ohm / more than 50 + 50 W
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