B&C 21SW152-4 21.0in Driver with Neodymium magnet

$910.00

.waat-driver-specs {
font-family: inherit;
font-size: 0.95rem;
color: #222;
max-width: 860px;
margin: 1.5rem auto;
}

.waat-driver-specs h3 {
margin: 0 0 0.5rem;
font-size: 1.1rem;
text-transform: uppercase;
letter-spacing: 0.05em;
}

.waat-spec-grid {
display: grid;
grid-template-columns: minmax(0, 2fr) minmax(0, 1.5fr) minmax(0, 2fr);
gap: 1rem;
}

@media (max-width: 800px) {
.waat-spec-grid {
grid-template-columns: 1fr;
}
}

.waat-card {
background: #fafafa;
border: 1px solid #e2e2e2;
border-radius: 8px;
padding: 0.9rem 1rem;
}

.waat-card strong {
font-weight: 600;
}

.waat-size-value {
font-size: 1.3rem;
font-weight: 700;
margin-bottom: 0.5rem;
}

.waat-small-label {
font-size: 0.8rem;
text-transform: uppercase;
letter-spacing: 0.09em;
color: #777;
}

.waat-impedance-value {
font-size: 1.1rem;
font-weight: 600;
margin-top: 0.3rem;
}

.waat-key-stats {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 0.4rem 0.9rem;
font-size: 0.85rem;
}

.waat-key-stats div span:first-child {
display: block;
color: #777;
font-size: 0.78rem;
text-transform: uppercase;
letter-spacing: 0.08em;
}

.waat-key-stats div span:last-child {
font-weight: 600;
}

.waat-lf-hf-grid {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 1rem;
}

@media (max-width: 700px) {
.waat-lf-hf-grid {
grid-template-columns: 1fr;
}
}

.waat-lf-hf-list {
margin: 0;
padding: 0;
list-style: none;
font-size: 0.9rem;
}

.waat-lf-hf-list li {
display: flex;
justify-content: space-between;
gap: 0.75rem;
padding: 0.15rem 0;
}

.waat-lf-hf-list li span:first-child {
color: #666;
}

.waat-lf-hf-list li span:last-child {
font-weight: 600;
white-space: nowrap;
}

.waat-construction-grid {
display: grid;
grid-template-columns: 2fr 3fr;
gap: 1rem;
margin-top: 1.2rem;
align-items: center;
}

@media (max-width: 700px) {
.waat-construction-grid {
grid-template-columns: 1fr;
}
}

.waat-construction-labels {
font-size: 0.9rem;
}

.waat-construction-labels div {
margin-bottom: 0.35rem;
}

.waat-construction-labels strong {
font-weight: 600;
}

.waat-datasheet-link {
margin-top: 0.75rem;
font-size: 0.9rem;
}

.waat-datasheet-link a {
color: #0a71c5;
text-decoration: none;
border-bottom: 1px solid rgba(10, 113, 197, 0.3);
}

.waat-datasheet-link a:hover {
border-bottom-color: rgba(10, 113, 197, 0.7);
}

/* SVGs */
.waat-speaker-svg,
.waat-section-svg {
width: 100%;
height: auto;
max-width: 260px;
display: block;
margin: 0 auto;
}

.waat-speaker-label {
font-size: 10px;
fill: #444;
}

.waat-speaker-dim {
font-size: 11px;
font-weight: 600;
fill: #111;
}

Size
 in

Diameter

Nominal Impedance
Designed to present an approximate load to the amplifier.

Quick Stats
LF AES Power
W
LF Program Power
W
HF AES Power
W
HF Program Power
W
LF Sensitivity
dB
HF Sensitivity
dB

LF Section

  • Power (AES) W
  • Program Power W
  • Frequency Range
    –  Hz
  • Sensitivity dB

HF Section

  • Power (AES) W
  • Program Power W
  • Frequency Range
    –  Hz
  • Sensitivity dB

Magnet

Voice Coil

Throat

Voice Coil LF (mm):
Voice Coil HF (mm):
Magnet:
Throat (in):
Attributes
Driver
B&C 21" Neo