GR - i4 - In-Ear with 4 drivers

Ref.: GR-i4 Brand: GR-BASS Unit: Piece Advised price: CHF 169.00
In-Ear i4 earphones pair
2+2 drivers | Sensitivity : 103 dB @ 1KHz | Impedance: 24? @ 1KHz | Frequency response: 20Hz-20KHz | Rated watts: 2mW | Max watts: 5mW

GR - i6 - In-Ear with 6 drivers

Ref.: GR-i6 Brand: GR-BASS Unit: Piece Advised price: CHF 269.00
In-Ear i6 earphones pair
3+3 drivers | Sensitivity : 104dB @ 1KHz | Impedance: 24? @ 1KHz | Frequency response: 20Hz-20KHz | Rated watts: 2mW | Max watt: 5mW