For a 3-inch speaker, you need a 5-inch speaker to contact the seller and increase the cost

Type: 2-way active monitor speakers
Frequency response: 70Hz-25kHz
Maximum sound pressure level @ 1 meter: 98dB
Tweeter: 3/4" silk dome
Woofer: 3" glass fiber braided basin
Crossover point: 2.0kHz
Power amplifier type: Class-D
High frequency output power (1 pc): 10W
Low frequency output power (1 pc): 20W
Total output power (1 pair): 80W (Peak),60W (RMS)
High frequency adjustment:--2dB, -1dB, OdB, +1dB @ 2.5kHz and above
Interface: 2x RCA unbalanced input, 1/8" stereo input,
Bluetooth: Bluetooth v4.0, compatible with A2DP protocol
Dimensions: 152mm x 119mm x 165mm