What's in the Package:

Tropo 6.5 Inch D4 Subwoofers QTY: 2 
T-500.1D Monoblock Amplifier QTY:1
(QTY: 3 PCS TOTAL)

Tropo 6.5 Inch Dual 4 Ohm Subwoofer Specs & Info:

Technical Specs:

1. Sub power: 200W (RMS) | 400W (MAX) 
2. Subwoofer size: 6.5"
3. Subwoofer type/ impedance: Dual 4 ohm
4. Voice coil (diameter): 1.75" (44.5mm)
5. FS: 61.315Hz
6. QTS: 0.589
7. QES: 0.677
8. QMS: 4.534
9. VAS: 2.936 liters
10. SPL: 82.5 dB (@1w/1m)
11. Xmax: 10.55mm (One way)
12. Speaker connector: 12/10 Gaug

Box Speceifications:

1. Sealed: 0.10 ft³
2. Ported: 0.20 ~ 0.55 ft³

Mounting / Installation Parameters:

1. Cutout diameter: 158mm / 6.20"
2. Overall diameter: 165mm / 6.50"
3. Mounting depth: 117mm / 4.60"

Amplifier Ratings:

• 1Ω @ 14.4V, 500W (RMS) | 1000W (MAX)
• 2Ω @ 14.4V, 350W (RMS) | 700W (MAX)
• 4Ω @ 14.4V, 200W (RMS) | 400W (MAX)

Technical specifications:

1. No of channel: 1
2. Frequency response: 10Hz ~ 250Hz
3. Gain adjustment: 0.2v ~ 5v
4. Subsonic adjustment: 15Hz ~ 50Hz
5. Bass boost: 0dB ~ +12dB
6. Signal to noise ratio: 100dB
7. Damping factor: 180
8. Minimum impedance: 1Ω (ohm)
9. Low Pass filter: 50Hz ~ 250Hz
10. No of fuse: 2 (25A each)
11. Bass level remote control (16.4 ft): Yes
12. Operating voltage (-ve ground): DC 12v
13. Bass knob: Remote gain control, power indicator

Dimensions:

• 181mm (W) x 55mm (H) x 240mm (L)