Package Includes:

• (1) Celestion TF1525 250W 15" Ferrite Magnet Mid Driver W/ Pressed Steel Chassis
• (1) Pair Rockville RPB3-BLACK Handheld Wireless Linking Portable Bluetooth Speakers

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Features:

15in bass and mid-range speaker driver unit providing 98dB sensitivity

Specifications:

• Nominal diameter: 381mm / 15in
• Power rating: 250W
• Continuous power rating: 500W
• EIA power rating: 400W
• Rated impedance: 8Ω
• Sensitivity: 98dB
• Frequency range: 40-3000Hz
• Chassis type: Pressed steel
• Magnet type: Ferrite
• Magnet weight: 1.2kg / 42oz
• Voice coil diameter: 64mm / 2.5in
• Voice coil material: Round copper
• Former material: Polyimide
• Cone material: Kevlar loaded paper
• Surround material: Cloth-sealed
• Suspension: Single
• Gap height (Hg): 8mm / 0.31in
• VC winding height (Hvc): 13mm / 0.51in

Parameters:

• Sd: 855.30cm2 / 132.57in2
• Fs: 47.60Hz
• Mms: 77.93g / 2.75oz
• Qms: 3.835
• Qes: 0.565
• Qts: 0.493
• Re: 5.15Ω
• Vas: 148.41l / 5.24ft3
• BI: 14.57Tm
• Cms: 0.14mm/N
• Rms: 6.08kg/s
• Le (at 1kHz): 0.90mH
• Xmax: 4.5mm / 0.18in

Mounting Information:

• Overall diameter: 385mm / 15.16in
• Overall depth: 153mm / 6in
• Cut-out diameter: 351mm / 13.82in
• Mounting hole dimensions: 9.2x6.2mm / 0.36x0.24in
• Number of mounting holes: 8
• Mounting hole PCD: 369mm / 14.56in
• Unit weight: 5.2kg / 11.5lb

Packed Dimensions & Weight:

• Single pack size W x D x H: 410mm x 410mm x 180mm / 16.1in x 16.1in x 7.1in
• Single pack weight: 6.0kg / 13.2lb
• Multi pack qty: 45
• Multi pack size W x D x H: 1200mm x 1000mm x 980mm / 47.2in x 39.4in x 38.6in
• Multi pack weight: 270kg / 595lb

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All About Your RPB3 Speakers:

How To Set Up Your RPB2 & RPB3 Speakers:

How To Set Up TWS On Your RPB3 Speakers:

Features:

• Pair Rockville RPB3-BLACK Handheld Wireless Linking Portable Bluetooth Speakers
• Mini Speaker with great frequency range and balanced sound
• The 2 speakers link wirelessly together (TWS - True wireless stereo)
• Built out of high quality aluminum
• Bluetooth Version 5.0
• Hands Free phone calls using the built in microphone
• Built-in SD Card Slot
• On android phones, you can use the speaker as a selfie remote
• Input Voltage: DC 5V 1A
• Li-Polymer Battery: 300mAh
• Driver: 40mm, 4Ω 3W
• Net Weight: 95g
• Sound Output: 5W
• Bluetooth Range: 25 Feet
• Frequency Response: 120 HZ - 20 KHZ
• Charging Time: 30 - 40 minutes
• 25% Volume Battery Life: 5 hours
• 50% Volume Battery Life: 3.5 hours
• Max Volume Battery Life: 2 hours
• Color: Black